213112323403320 has 64 divisors (see below), whose sum is σ = 697458512960640. Its totient is φ = 51663593552000.

The previous prime is 213112323403307. The next prime is 213112323403333. The reversal of 213112323403320 is 23304323211312.

It is an interprime number because it is at equal distance from previous prime (213112323403307) and next prime (213112323403333).

It is a super-2 number, since 2×213112323403320² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80724363606 + ... + 80724366245.

It is an arithmetic number, because the mean of its divisors is an integer number (10897789265010).

Almost surely, 2^{213112323403320} is an apocalyptic number.

213112323403320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213112323403320 is an abundant number, since it is smaller than the sum of its proper divisors (484346189557320).

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

213112323403320 is a wasteful number, since it uses less digits than its factorization.

213112323403320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161448729876 (or 161448729872 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 213112323403320 its reverse (23304323211312), we get a palindrome (236416646614632).

The spelling of 213112323403320 in words is "two hundred thirteen trillion, one hundred twelve billion, three hundred twenty-three million, four hundred three thousand, three hundred twenty".