3123131332 has 24 divisors (see below), whose sum is σ = 5713218560. Its totient is φ = 1492058880.

The previous prime is 3123131321. The next prime is 3123131359. The reversal of 3123131332 is 2331313213.

3123131332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 149613 + ... + 169204.

Almost surely, 2^3123131332 is an apocalyptic number.

It is an amenable number.

3123131332 is a deficient number, since it is larger than the sum of its proper divisors (2590087228).

3123131332 is a wasteful number, since it uses less digits than its factorization.

3123131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318931 (or 318929 counting only the distinct ones).

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

The square root of 3123131332 is about 55884.9830634313. The cubic root of 3123131332 is about 1461.7173966876.

Adding to 3123131332 its reverse (2331313213), we get a palindrome (5454444545).

The spelling of 3123131332 in words is "three billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred thirty-two".