3131032012 has 12 divisors (see below), whose sum is σ = 5481243880. Its totient is φ = 1564962336.

The previous prime is 3131031979. The next prime is 3131032013. The reversal of 3131032012 is 2102301313.

It is a super-2 number, since 2×3131032012² = 19606722920337536288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3131032013) 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, 125562 + ... + 148417.

Almost surely, 2^3131032012 is an apocalyptic number.

It is an amenable number.

3131032012 is a deficient number, since it is larger than the sum of its proper divisors (2350211868).

3131032012 is a wasteful number, since it uses less digits than its factorization.

3131032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276840 (or 276838 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3131032012 is about 55955.6253829765. The cubic root of 3131032012 is about 1462.9489423800.

Adding to 3131032012 its reverse (2102301313), we get a palindrome (5233333325).

The spelling of 3131032012 in words is "three billion, one hundred thirty-one million, thirty-two thousand, twelve".