31085773192948 has 12 divisors (see below), whose sum is σ = 54495374725792. Its totient is φ = 15515666128440.

The previous prime is 31085773192927. The next prime is 31085773192973. The reversal of 31085773192948 is 84929137758013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6805114440 + ... + 6805119007.

Almost surely, 2^{31085773192948} is an apocalyptic number.

It is an amenable number.

31085773192948 is a deficient number, since it is larger than the sum of its proper divisors (23409601532844).

31085773192948 is a wasteful number, since it uses less digits than its factorization.

31085773192948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610234022 (or 13610234020 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 31085773192948 in words is "thirty-one trillion, eighty-five billion, seven hundred seventy-three million, one hundred ninety-two thousand, nine hundred forty-eight".