213132320232 has 32 divisors (see below), whose sum is σ = 573817786080. Its totient is φ = 65579175360.

The previous prime is 213132320231. The next prime is 213132320251. The reversal of 213132320232 is 232023231312.

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

It is not an unprimeable number, because it can be changed into a prime (213132320231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341557894 + ... + 341558517.

It is an arithmetic number, because the mean of its divisors is an integer number (17931805815).

Almost surely, 2^213132320232 is an apocalyptic number.

It is an amenable number.

213132320232 is an abundant number, since it is smaller than the sum of its proper divisors (360685465848).

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

213132320232 is a wasteful number, since it uses less digits than its factorization.

213132320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683116433 (or 683116429 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213132320232 its reverse (232023231312), we get a palindrome (445155551544).

The spelling of 213132320232 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred twenty thousand, two hundred thirty-two".