213113212288 has 32 divisors (see below), whose sum is σ = 434435011560. Its totient is φ = 104078542848.

The previous prime is 213113212261. The next prime is 213113212289. The reversal of 213113212288 is 882212311312.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113212289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19354345 + ... + 19365352.

Almost surely, 2^213113212288 is an apocalyptic number.

It is an amenable number.

213113212288 is an abundant number, since it is smaller than the sum of its proper divisors (221321799272).

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

213113212288 is an equidigital number, since it uses as much as digits as its factorization.

213113212288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38719754 (or 38719742 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The spelling of 213113212288 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twelve thousand, two hundred eighty-eight".