3111131312 has 10 divisors (see below), whose sum is σ = 6027816948. Its totient is φ = 1555565648.

The previous prime is 3111131297. The next prime is 3111131329. The reversal of 3111131312 is 2131311113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97222838 + ... + 97222869.

Almost surely, 2^3111131312 is an apocalyptic number.

It is an amenable number.

3111131312 is a deficient number, since it is larger than the sum of its proper divisors (2916685636).

3111131312 is a wasteful number, since it uses less digits than its factorization.

3111131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194445715 (or 194445709 counting only the distinct ones).

The product of its digits is 54, while the sum is 17.

The square root of 3111131312 is about 55777.5161870803. The cubic root of 3111131312 is about 1459.8428729384.

Adding to 3111131312 its reverse (2131311113), we get a palindrome (5242442425).

The spelling of 3111131312 in words is "three billion, one hundred eleven million, one hundred thirty-one thousand, three hundred twelve".