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31072432053223 = 115396315533951
BaseRepresentation
bin1110001000010100111010…
…10001100101101111100111
311002000111101012210201200001
413010022131101211233213
513033042320101200343
6150030251144002131
76354623555421121
oct704123521455747
9132014335721601
1031072432053223
11999a820923660
12359a066760347
13144516b981782
14795cb1410211
1538d3ea40944d
hex1c429d465be7

31072432053223 has 16 divisors (see below), whose sum is σ = 34540360630272. Its totient is φ = 27711808020000.

The previous prime is 31072432053137. The next prime is 31072432053233. The reversal of 31072432053223 is 32235023427013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31072432053223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31072432053233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847898 + ... + 8381848.

It is an arithmetic number, because the mean of its divisors is an integer number (2158772539392).

Almost surely, 231072432053223 is an apocalyptic number.

31072432053223 is a deficient number, since it is larger than the sum of its proper divisors (3467928577049).

31072432053223 is a wasteful number, since it uses less digits than its factorization.

31072432053223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543646.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 31072432053223 in words is "thirty-one trillion, seventy-two billion, four hundred thirty-two million, fifty-three thousand, two hundred twenty-three".

Divisors: 1 11 53 583 9631 105941 510443 5533951 5614873 60873461 293299403 3226293433 53297482081 586272302891 2824766550293 31072432053223