31885872860476 has 12 divisors (see below), whose sum is σ = 59082646771008. Its totient is φ = 15005116640192.

The previous prime is 31885872860467. The next prime is 31885872860537. The reversal of 31885872860476 is 67406827858813.

It is a junction number, because it is equal to n+sod(n) for n = 31885872860399 and 31885872860408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234454947436 + ... + 234454947571.

It is an arithmetic number, because the mean of its divisors is an integer number (4923553897584).

Almost surely, 2^{31885872860476} is an apocalyptic number.

It is an amenable number.

31885872860476 is a deficient number, since it is larger than the sum of its proper divisors (27196773910532).

31885872860476 is a wasteful number, since it uses less digits than its factorization.

31885872860476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468909895028 (or 468909895026 counting only the distinct ones).

The product of its (nonzero) digits is 867041280, while the sum is 73.

The spelling of 31885872860476 in words is "thirty-one trillion, eight hundred eighty-five billion, eight hundred seventy-two million, eight hundred sixty thousand, four hundred seventy-six".