3131130232 has 64 divisors (see below), whose sum is σ = 6428160000. Its totient is φ = 1424142720.

The previous prime is 3131130209. The next prime is 3131130239. The reversal of 3131130232 is 2320311313.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131130239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840069 + ... + 843787.

It is an arithmetic number, because the mean of its divisors is an integer number (100440000).

Almost surely, 2^3131130232 is an apocalyptic number.

It is an amenable number.

3131130232 is an abundant number, since it is smaller than the sum of its proper divisors (3297029768).

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

3131130232 is a wasteful number, since it uses less digits than its factorization.

3131130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3960 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3131130232 is about 55956.5030358403. The cubic root of 3131130232 is about 1462.9642397156.

Adding to 3131130232 its reverse (2320311313), we get a palindrome (5451441545).

It can be divided in two parts, 313113023 and 2, that added together give a square (313113025 = 17695²).

The spelling of 3131130232 in words is "three billion, one hundred thirty-one million, one hundred thirty thousand, two hundred thirty-two".