31113914 has 32 divisors (see below), whose sum is σ = 51779280. Its totient is φ = 14017536.

The previous prime is 31113911. The next prime is 31113923. The reversal of 31113914 is 41931113.

It can be written as a sum of positive squares in 8 ways, for example, as 1050625 + 30063289 = 1025^2 + 5483^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31113914.

It is not an unprimeable number, because it can be changed into a prime (31113911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320714 + ... + 320810.

Almost surely, 2^31113914 is an apocalyptic number.

31113914 is a deficient number, since it is larger than the sum of its proper divisors (20665366).

31113914 is an equidigital number, since it uses as much as digits as its factorization.

31113914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 185 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 31113914 is about 5577.9847615425. The cubic root of 31113914 is about 314.5223768604.

The spelling of 31113914 in words is "thirty-one million, one hundred thirteen thousand, nine hundred fourteen".