213112331300 has 72 divisors (see below), whose sum is σ = 504598453632. Its totient is φ = 77479504000.

The previous prime is 213112331297. The next prime is 213112331371. The reversal of 213112331300 is 3133211312.

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 23 ways as a sum of consecutive naturals, for example, 6245285 + ... + 6279315.

It is an arithmetic number, because the mean of its divisors is an integer number (7008311856).

Almost surely, 2^213112331300 is an apocalyptic number.

213112331300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213112331300 is an abundant number, since it is smaller than the sum of its proper divisors (291486122332).

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

213112331300 is a wasteful number, since it uses less digits than its factorization.

213112331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39749 (or 39742 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213112331300 its reverse (3133211312), we get a palindrome (216245542612).

The spelling of 213112331300 in words is "two hundred thirteen billion, one hundred twelve million, three hundred thirty-one thousand, three hundred".