3131231132 has 12 divisors (see below), whose sum is σ = 5717900496. Its totient is φ = 1497545280.

The previous prime is 3131231113. The next prime is 3131231161. The reversal of 3131231132 is 2311321313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17017469 + ... + 17017652.

It is an arithmetic number, because the mean of its divisors is an integer number (476491708).

Almost surely, 2^3131231132 is an apocalyptic number.

It is an amenable number.

3131231132 is a deficient number, since it is larger than the sum of its proper divisors (2586669364).

3131231132 is a wasteful number, since it uses less digits than its factorization.

3131231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34035148 (or 34035146 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 3131231132 is about 55957.4046217299. The cubic root of 3131231132 is about 1462.9799541164.

Adding to 3131231132 its reverse (2311321313), we get a palindrome (5442552445).

The spelling of 3131231132 in words is "three billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-two".