213100031320330 has 64 divisors (see below), whose sum is σ = 480901355182080. Its totient is φ = 66049723080000.

The previous prime is 213100031320327. The next prime is 213100031320381. The reversal of 213100031320330 is 33023130001312.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 772916046 + ... + 773191705.

It is an arithmetic number, because the mean of its divisors is an integer number (7514083674720).

Almost surely, 2^{213100031320330} is an apocalyptic number.

213100031320330 is an abundant number, since it is smaller than the sum of its proper divisors (267801323861750).

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

213100031320330 is a wasteful number, since it uses less digits than its factorization.

213100031320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546107955.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213100031320330 its reverse (33023130001312), we get a palindrome (246123161321642).

The spelling of 213100031320330 in words is "two hundred thirteen trillion, one hundred billion, thirty-one million, three hundred twenty thousand, three hundred thirty".