2131113313100 has 18 divisors (see below), whose sum is σ = 4624515889644. Its totient is φ = 852445325200.

The previous prime is 2131113313099. The next prime is 2131113313123. The reversal of 2131113313100 is 13133111312.

It is a super-2 number, since 2×2131113313100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10655566466 + ... + 10655566665.

Almost surely, 2^{2131113313100} is an apocalyptic number.

2131113313100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131113313100 is an abundant number, since it is smaller than the sum of its proper divisors (2493402576544).

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

2131113313100 is a wasteful number, since it uses less digits than its factorization.

2131113313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311133145 (or 21311133138 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 2131113313100 its reverse (13133111312), we get a palindrome (2144246424412).

The spelling of 2131113313100 in words is "two trillion, one hundred thirty-one billion, one hundred thirteen million, three hundred thirteen thousand, one hundred".