2313031012200 has 72 divisors (see below), whose sum is σ = 7767929155350. Its totient is φ = 616808269440.

The previous prime is 2313031012169. The next prime is 2313031012211. The reversal of 2313031012200 is 22101303132.

2313031012200 is a `hidden beast` number, since 2 + 3 + 130 + 310 + 1 + 220 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1244425029444 + 1068605982756 = 1115538^2 + 1033734^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2313031012200² (a number of 26 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 642506815 + ... + 642510414.

Almost surely, 2^{2313031012200} is an apocalyptic number.

2313031012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313031012200 is an abundant number, since it is smaller than the sum of its proper divisors (5454898143150).

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

2313031012200 is a wasteful number, since it uses less digits than its factorization.

2313031012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285017251 (or 1285017239 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2313031012200 its reverse (22101303132), we get a palindrome (2335132315332).

The spelling of 2313031012200 in words is "two trillion, three hundred thirteen billion, thirty-one million, twelve thousand, two hundred".