3131312332 has 12 divisors (see below), whose sum is σ = 5487040720. Its totient is φ = 1563586416.

The previous prime is 3131312321. The next prime is 3131312383. The reversal of 3131312332 is 2332131313.

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 3 ways as a sum of consecutive naturals, for example, 514032 + ... + 520087.

Almost surely, 2^3131312332 is an apocalyptic number.

It is an amenable number.

3131312332 is a deficient number, since it is larger than the sum of its proper divisors (2355728388).

3131312332 is a wasteful number, since it uses less digits than its factorization.

3131312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034880 (or 1034878 counting only the distinct ones).

The product of its digits is 972, while the sum is 22.

The square root of 3131312332 is about 55958.1301689040. The cubic root of 3131312332 is about 1462.9926001482.

Adding to 3131312332 its reverse (2332131313), we get a palindrome (5463443645).

The spelling of 3131312332 in words is "three billion, one hundred thirty-one million, three hundred twelve thousand, three hundred thirty-two".