12313131033000 has 128 divisors (see below), whose sum is σ = 43905107301120. Its totient is φ = 2814429945600.

The previous prime is 12313131032989. The next prime is 12313131033011. The reversal of 12313131033000 is 33013131321.

It is an interprime number because it is at equal distance from previous prime (12313131032989) and next prime (12313131033011).

It is a super-2 number, since 2×12313131033000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293148787 + ... + 293190786.

It is an arithmetic number, because the mean of its divisors is an integer number (343008650790).

Almost surely, 2^{12313131033000} is an apocalyptic number.

12313131033000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313131033000 is an abundant number, since it is smaller than the sum of its proper divisors (31591976268120).

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

12313131033000 is a wasteful number, since it uses less digits than its factorization.

12313131033000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586339604 (or 586339590 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12313131033000 its reverse (33013131321), we get a palindrome (12346144164321).

The spelling of 12313131033000 in words is "twelve trillion, three hundred thirteen billion, one hundred thirty-one million, thirty-three thousand".