213431882 has 16 divisors (see below), whose sum is σ = 323377152. Its totient is φ = 105643440.

The previous prime is 213431861. The next prime is 213431891. The reversal of 213431882 is 288134312.

213431882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208532 + ... + 209552.

It is an arithmetic number, because the mean of its divisors is an integer number (20211072).

Almost surely, 2^213431882 is an apocalyptic number.

213431882 is a deficient number, since it is larger than the sum of its proper divisors (109945270).

213431882 is a wasteful number, since it uses less digits than its factorization.

213431882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973.

The product of its digits is 9216, while the sum is 32.

The square root of 213431882 is about 14609.3080602744. The cubic root of 213431882 is about 597.6126263068.

The spelling of 213431882 in words is "two hundred thirteen million, four hundred thirty-one thousand, eight hundred eighty-two".