213313432 has 16 divisors (see below), whose sum is σ = 400523760. Its totient is φ = 106507104.

The previous prime is 213313427. The next prime is 213313481. The reversal of 213313432 is 234313312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12523 + ... + 24154.

It is an arithmetic number, because the mean of its divisors is an integer number (25032735).

Almost surely, 2^213313432 is an apocalyptic number.

It is an amenable number.

213313432 is a deficient number, since it is larger than the sum of its proper divisors (187210328).

213313432 is a wasteful number, since it uses less digits than its factorization.

213313432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37410 (or 37406 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 213313432 is about 14605.2535753406. The cubic root of 213313432 is about 597.5020518945.

Adding to 213313432 its reverse (234313312), we get a palindrome (447626744).

The spelling of 213313432 in words is "two hundred thirteen million, three hundred thirteen thousand, four hundred thirty-two".