31345432130112 has 56 divisors (see below), whose sum is σ = 82964526984000. Its totient is φ = 10444730881536.

The previous prime is 31345432130101. The next prime is 31345432130123. The reversal of 31345432130112 is 21103123454313.

It is an interprime number because it is at equal distance from previous prime (31345432130101) and next prime (31345432130123).

It is a super-2 number, since 2×31345432130112² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28732612 + ... + 29803587.

Almost surely, 2^{31345432130112} is an apocalyptic number.

31345432130112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31345432130112 is an abundant number, since it is smaller than the sum of its proper divisors (51619094853888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31345432130112 is a wasteful number, since it uses less digits than its factorization.

31345432130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58539003 (or 58538993 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 31345432130112 its reverse (21103123454313), we get a palindrome (52448555584425).

The spelling of 31345432130112 in words is "thirty-one trillion, three hundred forty-five billion, four hundred thirty-two million, one hundred thirty thousand, one hundred twelve".