213133213220330 has 128 divisors (see below), whose sum is σ = 438542462486016. Its totient is φ = 73882058342400.

The previous prime is 213133213220173. The next prime is 213133213220351. The reversal of 213133213220330 is 33022312331312.

It is a junction number, because it is equal to n+sod(n) for n = 213133213220293 and 213133213220302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1446554765 + ... + 1446702095.

It is an arithmetic number, because the mean of its divisors is an integer number (3426112988172).

Almost surely, 2^{213133213220330} is an apocalyptic number.

213133213220330 is an abundant number, since it is smaller than the sum of its proper divisors (225409249265686).

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

213133213220330 is a wasteful number, since it uses less digits than its factorization.

213133213220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148992.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 213133213220330 its reverse (33022312331312), we get a palindrome (246155525551642).

The spelling of 213133213220330 in words is "two hundred thirteen trillion, one hundred thirty-three billion, two hundred thirteen million, two hundred twenty thousand, three hundred thirty".