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31120001032313 = 64756821846499
BaseRepresentation
bin1110001001101101100001…
…00110110110000001111001
311002012001011101020020112102
413010312300212312001321
513034332230231013223
6150104155304153145
76361226431160264
oct704666046660171
9132161141206472
1031120001032313
119a08a11316716
1235a73214687b5
1314497acb93c8b
14798304d27cdb
1538e78164b928
hex1c4db09b6079

31120001032313 has 8 divisors (see below), whose sum is σ = 31168685304000. Its totient is φ = 31071318568560.

The previous prime is 31120001032279. The next prime is 31120001032429. The reversal of 31120001032313 is 31323010002113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31120001032313 - 210 = 31120001031289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31120001032213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36339938 + ... + 37186436.

It is an arithmetic number, because the mean of its divisors is an integer number (3896085663000).

Almost surely, 231120001032313 is an apocalyptic number.

It is an amenable number.

31120001032313 is a deficient number, since it is larger than the sum of its proper divisors (48684271687).

31120001032313 is an equidigital number, since it uses as much as digits as its factorization.

31120001032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903967.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31120001032313 its reverse (31323010002113), we get a palindrome (62443011034426).

The spelling of 31120001032313 in words is "thirty-one trillion, one hundred twenty billion, one million, thirty-two thousand, three hundred thirteen".

Divisors: 1 647 56821 846499 36763187 547684853 48098919679 31120001032313