3131215132 has 36 divisors (see below), whose sum is σ = 5647180224. Its totient is φ = 1519119360.

The previous prime is 3131215127. The next prime is 3131215163. The reversal of 3131215132 is 2315121313.

It is a super-3 number, since 3×3131215132³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3159157 + ... + 3160147.

Almost surely, 2^3131215132 is an apocalyptic number.

It is an amenable number.

3131215132 is a deficient number, since it is larger than the sum of its proper divisors (2515965092).

3131215132 is a wasteful number, since it uses less digits than its factorization.

3131215132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1607 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 3131215132 is about 55957.2616556600. The cubic root of 3131215132 is about 1462.9774622617.

Adding to 3131215132 its reverse (2315121313), we get a palindrome (5446336445).

The spelling of 3131215132 in words is "three billion, one hundred thirty-one million, two hundred fifteen thousand, one hundred thirty-two".