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33020422131 = 347899727127
BaseRepresentation
bin11110110000001010…
…111010011111110011
310011020020202020121110
4132300022322133303
51020111212002011
623100330124403
72246163646164
oct366012723763
9104206666543
1033020422131
1113005192974
126496580703
133163079c28
14185364976b
15cd3da3ba6
hex7b02ba7f3

33020422131 has 32 divisors (see below), whose sum is σ = 45939640320. Its totient is φ = 21082761216.

The previous prime is 33020422129. The next prime is 33020422159. The reversal of 33020422131 is 13122402033.

It is not a de Polignac number, because 33020422131 - 21 = 33020422129 is a prime.

It is a super-2 number, since 2×330204221312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33020422098 and 33020422107.

It is not an unprimeable number, because it can be changed into a prime (33020424131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203690 + ... + 1230816.

It is an arithmetic number, because the mean of its divisors is an integer number (1435613760).

Almost surely, 233020422131 is an apocalyptic number.

33020422131 is a deficient number, since it is larger than the sum of its proper divisors (12919218189).

33020422131 is a wasteful number, since it uses less digits than its factorization.

33020422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27363.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33020422131 its reverse (13122402033), we get a palindrome (46142824164).

The spelling of 33020422131 in words is "thirty-three billion, twenty million, four hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 3 47 89 97 141 267 291 4183 4559 8633 12549 13677 25899 27127 81381 405751 1217253 1274969 2414303 2631319 3824907 7242909 7893957 113472241 123671993 234187391 340416723 371015979 702562173 11006807377 33020422131