31534116220532 has 24 divisors (see below), whose sum is σ = 55887975615360. Its totient is φ = 15566156985600.

The previous prime is 31534116220511. The next prime is 31534116220589. The reversal of 31534116220532 is 23502261143513.

It is a congruent number.

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, 481469 + ... + 7956132.

It is an arithmetic number, because the mean of its divisors is an integer number (2328665650640).

Almost surely, 2^{31534116220532} is an apocalyptic number.

It is an amenable number.

31534116220532 is a deficient number, since it is larger than the sum of its proper divisors (24353859394828).

31534116220532 is a wasteful number, since it uses less digits than its factorization.

31534116220532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449511 (or 8449509 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 31534116220532 in words is "thirty-one trillion, five hundred thirty-four billion, one hundred sixteen million, two hundred twenty thousand, five hundred thirty-two".