31426934 has 24 divisors (see below), whose sum is σ = 59824008. Its totient is φ = 12243840.

The previous prime is 31426919. The next prime is 31426939. The reversal of 31426934 is 43962413.

It is a self number, because there is not a number n which added to its sum of digits gives 31426934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31426939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13499 + ... + 15654.

It is an arithmetic number, because the mean of its divisors is an integer number (2492667).

Almost surely, 2^31426934 is an apocalyptic number.

31426934 is a deficient number, since it is larger than the sum of its proper divisors (28397074).

31426934 is a wasteful number, since it uses less digits than its factorization.

31426934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29180 (or 29173 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 31426934 is about 5605.9730645090. The cubic root of 31426934 is about 315.5736050551.

The spelling of 31426934 in words is "thirty-one million, four hundred twenty-six thousand, nine hundred thirty-four".