31497914 has 16 divisors (see below), whose sum is σ = 54302400. Its totient is φ = 13422624.

The previous prime is 31497883. The next prime is 31497929. The reversal of 31497914 is 41979413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3779 + ... + 8790.

It is an arithmetic number, because the mean of its divisors is an integer number (3393900).

Almost surely, 2^31497914 is an apocalyptic number.

31497914 is a deficient number, since it is larger than the sum of its proper divisors (22804486).

31497914 is a wasteful number, since it uses less digits than its factorization.

31497914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12757.

The product of its digits is 27216, while the sum is 38.

The square root of 31497914 is about 5612.3002414340. The cubic root of 31497914 is about 315.8110083394.

The spelling of 31497914 in words is "thirty-one million, four hundred ninety-seven thousand, nine hundred fourteen".