31542134312692 has 6 divisors (see below), whose sum is σ = 55198735047218. Its totient is φ = 15771067156344.

The previous prime is 31542134312677. The next prime is 31542134312743. The reversal of 31542134312692 is 29621343124513.

It can be written as a sum of positive squares in only one way, i.e., 30634298850276 + 907835462416 = 5534826^2 + 952804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3942766789083 + ... + 3942766789090.

Almost surely, 2^{31542134312692} is an apocalyptic number.

It is an amenable number.

31542134312692 is a deficient number, since it is larger than the sum of its proper divisors (23656600734526).

31542134312692 is a wasteful number, since it uses less digits than its factorization.

31542134312692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885533578177 (or 7885533578175 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The spelling of 31542134312692 in words is "thirty-one trillion, five hundred forty-two billion, one hundred thirty-four million, three hundred twelve thousand, six hundred ninety-two".