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213002310211131 = 3719733863843911
BaseRepresentation
bin110000011011100101110111…
…000010010101011000111011
31000221011211012020012110202010
4300123211313002111120323
5210404312212403224011
62033003524353541003
762602623545466510
oct6033456702253073
91027154166173663
10213002310211131
1161961855178941
121ba81336874763
1391b105475611c
143a8551c7b5307
151995a2b4631a6
hexc1b97709563b

213002310211131 has 64 divisors (see below), whose sum is σ = 342520791367680. Its totient is φ = 115018640807040.

The previous prime is 213002310211127. The next prime is 213002310211151. The reversal of 213002310211131 is 131112013200312.

It is not a de Polignac number, because 213002310211131 - 22 = 213002310211127 is a prime.

It is a super-2 number, since 2×2130023102111312 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 213002310211098 and 213002310211107.

It is not an unprimeable number, because it can be changed into a prime (213002310211151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251977066 + ... + 252820976.

It is an arithmetic number, because the mean of its divisors is an integer number (5351887365120).

Almost surely, 2213002310211131 is an apocalyptic number.

213002310211131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213002310211131 is a deficient number, since it is larger than the sum of its proper divisors (129518481156549).

213002310211131 is a wasteful number, since it uses less digits than its factorization.

213002310211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845536.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 213002310211131 its reverse (131112013200312), we get a palindrome (344114323411443).

The spelling of 213002310211131 in words is "two hundred thirteen trillion, two billion, three hundred ten million, two hundred eleven thousand, one hundred thirty-one".

Divisors: 1 3 7 19 21 57 133 399 733 863 2199 2589 5131 6041 13927 15393 16397 18123 41781 49191 97489 114779 292467 344337 632579 843911 1897737 2531733 4428053 5907377 12019001 13284159 16034309 17722131 36057003 48102927 84133007 112240163 252399021 336720489 618586763 728295193 1855760289 2184885579 4330107341 5098066351 11753148497 12990322023 13837608667 15294199053 35259445491 41512826001 82272039479 96863260669 246816118437 290589782007 533840376469 1601521129407 3736882635283 10142967152911 11210647905849 30428901458733 71000770070377 213002310211131