12311030313000 has 192 divisors, whose sum is σ = 42735912869520. Its totient is φ = 3194213184000.

The previous prime is 12311030312989. The next prime is 12311030313031. The reversal of 12311030313000 is 31303011321.

It is a happy number.

12311030313000 is a `hidden beast` number, since 1 + 231 + 1 + 0 + 303 + 130 + 0 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1506280017636 + 10804750295364 = 1227306^2 + 3287058^2 .

It is a super-2 number, since 2×12311030313000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18152031 + ... + 18818030.

Almost surely, 2^{12311030313000} is an apocalyptic number.

12311030313000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12311030313000 is an abundant number, since it is smaller than the sum of its proper divisors (30424882556520).

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

12311030313000 is a wasteful number, since it uses less digits than its factorization.

12311030313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36970125 (or 36970108 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12311030313000 its reverse (31303011321), we get a palindrome (12342333324321).

The spelling of 12311030313000 in words is "twelve trillion, three hundred eleven billion, thirty million, three hundred thirteen thousand".