2313121310100 has 108 divisors (see below), whose sum is σ = 7273664143200. Its totient is φ = 614848891200.

The previous prime is 2313121310033. The next prime is 2313121310141. The reversal of 2313121310100 is 10131213132.

2313121310100 is a `hidden beast` number, since 2 + 31 + 312 + 1 + 310 + 10 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3852150 + ... + 4411949.

Almost surely, 2^{2313121310100} is an apocalyptic number.

2313121310100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313121310100 is an abundant number, since it is smaller than the sum of its proper divisors (4960542833100).

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

2313121310100 is a wasteful number, since it uses less digits than its factorization.

2313121310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8264430 (or 8264420 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2313121310100 its reverse (10131213132), we get a palindrome (2323252523232).

The spelling of 2313121310100 in words is "two trillion, three hundred thirteen billion, one hundred twenty-one million, three hundred ten thousand, one hundred".