213013100232 has 24 divisors (see below), whose sum is σ = 576910479990. Its totient is φ = 71004366720.

The previous prime is 213013100213. The next prime is 213013100249. The reversal of 213013100232 is 232001310312.

213013100232 is a `hidden beast` number, since 21 + 301 + 310 + 0 + 2 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 123584590116 + 89428510116 = 351546^2 + 299046^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1479257569 + ... + 1479257712.

Almost surely, 2^213013100232 is an apocalyptic number.

It is an amenable number.

213013100232 is an abundant number, since it is smaller than the sum of its proper divisors (363897379758).

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

213013100232 is a wasteful number, since it uses less digits than its factorization.

213013100232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958515293 (or 2958515286 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213013100232 its reverse (232001310312), we get a palindrome (445014410544).

The spelling of 213013100232 in words is "two hundred thirteen billion, thirteen million, one hundred thousand, two hundred thirty-two".