213131301100 has 36 divisors (see below), whose sum is σ = 486836765800. Its totient is φ = 80765544960.

The previous prime is 213131301079. The next prime is 213131301113. The reversal of 213131301100 is 1103131312.

It is a super-2 number, since 2×213131301100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56085285 + ... + 56089084.

Almost surely, 2^213131301100 is an apocalyptic number.

213131301100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213131301100 is an abundant number, since it is smaller than the sum of its proper divisors (273705464700).

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

213131301100 is a wasteful number, since it uses less digits than its factorization.

213131301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112174402 (or 112174395 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 213131301100 its reverse (1103131312), we get a palindrome (214234432412).

The spelling of 213131301100 in words is "two hundred thirteen billion, one hundred thirty-one million, three hundred one thousand, one hundred".