111331312331312 has 40 divisors (see below), whose sum is σ = 219786604457904. Its totient is φ = 54612306088704.

The previous prime is 111331312331311. The next prime is 111331312331413. The reversal of 111331312331312 is 213133213133111.

It is a super-2 number, since 2×111331312331312² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111331312331311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11536178 + ... + 18861230.

Almost surely, 2^{111331312331312} is an apocalyptic number.

It is an amenable number.

111331312331312 is a deficient number, since it is larger than the sum of its proper divisors (108455292126592).

111331312331312 is a wasteful number, since it uses less digits than its factorization.

111331312331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343037 (or 7343031 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

Adding to 111331312331312 its reverse (213133213133111), we get a palindrome (324464525464423).

The spelling of 111331312331312 in words is "one hundred eleven trillion, three hundred thirty-one billion, three hundred twelve million, three hundred thirty-one thousand, three hundred twelve".