3131022412 has 12 divisors (see below), whose sum is σ = 6262044880. Its totient is φ = 1341866736.

The previous prime is 3131022373. The next prime is 3131022421. The reversal of 3131022412 is 2142201313.

It is a happy number.

3131022412 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131022412.

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, 55911087 + ... + 55911142.

Almost surely, 2^3131022412 is an apocalyptic number.

It is an amenable number.

3131022412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3131022412 is a wasteful number, since it uses less digits than its factorization.

3131022412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111822240 (or 111822238 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3131022412 is about 55955.5396006508. The cubic root of 3131022412 is about 1462.9474472048.

Adding to 3131022412 its reverse (2142201313), we get a palindrome (5273223725).

The spelling of 3131022412 in words is "three billion, one hundred thirty-one million, twenty-two thousand, four hundred twelve".