11731303311312 has 40 divisors (see below), whose sum is σ = 32637087419104. Its totient is φ = 3609631787904.

The previous prime is 11731303311293. The next prime is 11731303311331. The reversal of 11731303311312 is 21311330313711.

It is an interprime number because it is at equal distance from previous prime (11731303311293) and next prime (11731303311331).

It is a super-2 number, since 2×11731303311312² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11731303311312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400082158 + ... + 9400083405.

Almost surely, 2^{11731303311312} is an apocalyptic number.

11731303311312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11731303311312 is an abundant number, since it is smaller than the sum of its proper divisors (20905784107792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11731303311312 is a wasteful number, since it uses less digits than its factorization.

11731303311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18800165587 (or 18800165581 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The spelling of 11731303311312 in words is "eleven trillion, seven hundred thirty-one billion, three hundred three million, three hundred eleven thousand, three hundred twelve".