213113323320 has 128 divisors (see below), whose sum is σ = 641373949440. Its totient is φ = 56649715200.

The previous prime is 213113323303. The next prime is 213113323343. The reversal of 213113323320 is 23323311312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76029039 + ... + 76031841.

It is an arithmetic number, because the mean of its divisors is an integer number (5010733980).

Almost surely, 2^213113323320 is an apocalyptic number.

213113323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213113323320 is an abundant number, since it is smaller than the sum of its proper divisors (428260626120).

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

213113323320 is a wasteful number, since it uses less digits than its factorization.

213113323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213113323320 its reverse (23323311312), we get a palindrome (236436634632).

The spelling of 213113323320 in words is "two hundred thirteen billion, one hundred thirteen million, three hundred twenty-three thousand, three hundred twenty".