31314490 has 16 divisors (see below), whose sum is σ = 58310280. Its totient is φ = 12093760.

The previous prime is 31314473. The next prime is 31314539. The reversal of 31314490 is 9441313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26635921 + 4678569 = 5161^2 + 2163^2 .

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, 53701 + ... + 54280.

Almost surely, 2^31314490 is an apocalyptic number.

31314490 is a deficient number, since it is larger than the sum of its proper divisors (26995790).

31314490 is a wasteful number, since it uses less digits than its factorization.

31314490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108017.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 31314490 is about 5595.9351318613. The cubic root of 31314490 is about 315.1967864193.

The spelling of 31314490 in words is "thirty-one million, three hundred fourteen thousand, four hundred ninety".