31797914 has 16 divisors (see below), whose sum is σ = 49911552. Its totient is φ = 15164688.

The previous prime is 31797907. The next prime is 31797923. The reversal of 31797914 is 41979713.

It is a super-2 number, since 2×31797914² = 2022214669502792, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 20552 + ... + 22044.

It is an arithmetic number, because the mean of its divisors is an integer number (3119472).

Almost surely, 2^31797914 is an apocalyptic number.

31797914 is a deficient number, since it is larger than the sum of its proper divisors (18113638).

31797914 is a wasteful number, since it uses less digits than its factorization.

31797914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its digits is 47628, while the sum is 41.

The square root of 31797914 is about 5638.9639119257. The cubic root of 31797914 is about 316.8104829053.

The spelling of 31797914 in words is "thirty-one million, seven hundred ninety-seven thousand, nine hundred fourteen".