3131152212 has 12 divisors (see below), whose sum is σ = 7306021856. Its totient is φ = 1043717400.

The previous prime is 3131152201. The next prime is 3131152231. The reversal of 3131152212 is 2122511313.

3131152212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3131152212² = 19608228349424985888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130464664 + ... + 130464687.

Almost surely, 2^3131152212 is an apocalyptic number.

It is an amenable number.

3131152212 is an abundant number, since it is smaller than the sum of its proper divisors (4174869644).

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

3131152212 is a wasteful number, since it uses less digits than its factorization.

3131152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260929358 (or 260929356 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 3131152212 is about 55956.6994380476. The cubic root of 3131152212 is about 1462.9676629607.

Adding to 3131152212 its reverse (2122511313), we get a palindrome (5253663525).

The spelling of 3131152212 in words is "three billion, one hundred thirty-one million, one hundred fifty-two thousand, two hundred twelve".