3131213296 has 20 divisors (see below), whose sum is σ = 6214695984. Its totient is φ = 1527420800.

The previous prime is 3131213251. The next prime is 3131213297. The reversal of 3131213296 is 6923121313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131213297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385940 + ... + 2387251.

Almost surely, 2^3131213296 is an apocalyptic number.

It is an amenable number.

3131213296 is a deficient number, since it is larger than the sum of its proper divisors (3083482688).

3131213296 is a wasteful number, since it uses less digits than its factorization.

3131213296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773240 (or 4773234 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 3131213296 is about 55957.2452502801. The cubic root of 3131213296 is about 1462.9771763208.

The spelling of 3131213296 in words is "three billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred ninety-six".