31534534511352 has 48 divisors (see below), whose sum is σ = 85472806848000. Its totient is φ = 10503292934016.

The previous prime is 31534534511341. The next prime is 31534534511387. The reversal of 31534534511352 is 25311543543513.

31534534511352 is a `hidden beast` number, since 3 + 1 + 5 + 3 + 4 + 534 + 51 + 13 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31534534511298 and 31534534511307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171127477 + ... + 171311652.

It is an arithmetic number, because the mean of its divisors is an integer number (1780683476000).

Almost surely, 2^{31534534511352} is an apocalyptic number.

It is an amenable number.

31534534511352 is an abundant number, since it is smaller than the sum of its proper divisors (53938272336648).

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

31534534511352 is a wasteful number, since it uses less digits than its factorization.

31534534511352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342440420 (or 342440413 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The spelling of 31534534511352 in words is "thirty-one trillion, five hundred thirty-four billion, five hundred thirty-four million, five hundred eleven thousand, three hundred fifty-two".