31400406092 has 12 divisors (see below), whose sum is σ = 59946229896. Its totient is φ = 14272911840.

The previous prime is 31400406091. The next prime is 31400406097. The reversal of 31400406092 is 29060400413.

It is not an unprimeable number, because it can be changed into a prime (31400406091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356822753 + ... + 356822840.

It is an arithmetic number, because the mean of its divisors is an integer number (4995519158).

Almost surely, 2^31400406092 is an apocalyptic number.

It is an amenable number.

31400406092 is a deficient number, since it is larger than the sum of its proper divisors (28545823804).

31400406092 is a wasteful number, since it uses less digits than its factorization.

31400406092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713645608 (or 713645606 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 31400406092 in words is "thirty-one billion, four hundred million, four hundred six thousand, ninety-two".