31923435016056 has 16 divisors (see below), whose sum is σ = 79808587540200. Its totient is φ = 10641145005344.

The previous prime is 31923435015961. The next prime is 31923435016069. The reversal of 31923435016056 is 65061053432913.

It is a junction number, because it is equal to n+sod(n) for n = 31923435015996 and 31923435016014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665071562811 + ... + 665071562858.

Almost surely, 2^{31923435016056} is an apocalyptic number.

It is an amenable number.

31923435016056 is an abundant number, since it is smaller than the sum of its proper divisors (47885152524144).

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

31923435016056 is a wasteful number, since it uses less digits than its factorization.

31923435016056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330143125678 (or 1330143125674 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 48.

Adding to 31923435016056 its reverse (65061053432913), we get a palindrome (96984488448969).

The spelling of 31923435016056 in words is "thirty-one trillion, nine hundred twenty-three billion, four hundred thirty-five million, sixteen thousand, fifty-six".