3231122431312 has 20 divisors (see below), whose sum is σ = 6260335446816. Its totient is φ = 1615551993440.

The previous prime is 3231122431253. The next prime is 3231122431349. The reversal of 3231122431312 is 2131342211323.

It is a super-2 number, since 2×3231122431312² (a number of 26 digits) 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, 2978487 + ... + 3915817.

Almost surely, 2^{3231122431312} is an apocalyptic number.

It is an amenable number.

3231122431312 is a deficient number, since it is larger than the sum of its proper divisors (3029213015504).

3231122431312 is a wasteful number, since it uses less digits than its factorization.

3231122431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152786 (or 1152780 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 3231122431312 its reverse (2131342211323), we get a palindrome (5362464642635).

The spelling of 3231122431312 in words is "three trillion, two hundred thirty-one billion, one hundred twenty-two million, four hundred thirty-one thousand, three hundred twelve".