3201111311312 has 20 divisors (see below), whose sum is σ = 6220890798816. Its totient is φ = 1595720137440.

The previous prime is 3201111311291. The next prime is 3201111311371. The reversal of 3201111311312 is 2131131111023.

It is a super-2 number, since 2×3201111311312² (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, 302214428 + ... + 302225019.

Almost surely, 2^{3201111311312} is an apocalyptic number.

It is an amenable number.

3201111311312 is a deficient number, since it is larger than the sum of its proper divisors (3019779487504).

3201111311312 is a wasteful number, since it uses less digits than its factorization.

3201111311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604439786 (or 604439780 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 3201111311312 its reverse (2131131111023), we get a palindrome (5332242422335).

The spelling of 3201111311312 in words is "three trillion, two hundred one billion, one hundred eleven million, three hundred eleven thousand, three hundred twelve".