3122131312 has 10 divisors (see below), whose sum is σ = 6049129448. Its totient is φ = 1561065648.

The previous prime is 3122131301. The next prime is 3122131321. The reversal of 3122131312 is 2131312213.

It is a self number, because there is not a number n which added to its sum of digits gives 3122131312.

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 as a sum of consecutive naturals, namely, 97566588 + ... + 97566619.

Almost surely, 2^3122131312 is an apocalyptic number.

It is an amenable number.

3122131312 is a deficient number, since it is larger than the sum of its proper divisors (2926998136).

3122131312 is a wasteful number, since it uses less digits than its factorization.

3122131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195133215 (or 195133209 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 3122131312 is about 55876.0352208351. The cubic root of 3122131312 is about 1461.5613671006.

Adding to 3122131312 its reverse (2131312213), we get a palindrome (5253443525).

The spelling of 3122131312 in words is "three billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred twelve".