31340264 has 16 divisors (see below), whose sum is σ = 58860420. Its totient is φ = 15644160.

The previous prime is 31340233. The next prime is 31340273. The reversal of 31340264 is 46204313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30891364 + 448900 = 5558^2 + 670^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474 + ... + 8294.

Almost surely, 2^31340264 is an apocalyptic number.

It is an amenable number.

31340264 is a deficient number, since it is larger than the sum of its proper divisors (27520156).

31340264 is a wasteful number, since it uses less digits than its factorization.

31340264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500 (or 6496 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 31340264 is about 5598.2375798103. The cubic root of 31340264 is about 315.2832389865.

Adding to 31340264 its reverse (46204313), we get a palindrome (77544577).

The spelling of 31340264 in words is "thirty-one million, three hundred forty thousand, two hundred sixty-four".