3131245232 has 40 divisors (see below), whose sum is σ = 6435226512. Its totient is φ = 1470873600.

The previous prime is 3131245207. The next prime is 3131245237. The reversal of 3131245232 is 2325421313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3131245237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145232 + ... + 165392.

Almost surely, 2^3131245232 is an apocalyptic number.

It is an amenable number.

3131245232 is an abundant number, since it is smaller than the sum of its proper divisors (3303981280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131245232 is a wasteful number, since it uses less digits than its factorization.

3131245232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20757 (or 20751 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 3131245232 is about 55957.5306102762. The cubic root of 3131245232 is about 1462.9821500563.

Adding to 3131245232 its reverse (2325421313), we get a palindrome (5456666545).

The spelling of 3131245232 in words is "three billion, one hundred thirty-one million, two hundred forty-five thousand, two hundred thirty-two".