213432374 has 16 divisors (see below), whose sum is σ = 322332048. Its totient is φ = 105991392.

The previous prime is 213432367. The next prime is 213432379. The reversal of 213432374 is 473234312.

213432374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213432379) 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, 314924 + ... + 315600.

It is an arithmetic number, because the mean of its divisors is an integer number (20145753).

Almost surely, 2^213432374 is an apocalyptic number.

213432374 is a deficient number, since it is larger than the sum of its proper divisors (108899674).

213432374 is a wasteful number, since it uses less digits than its factorization.

213432374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its digits is 12096, while the sum is 29.

The square root of 213432374 is about 14609.3248988446. The cubic root of 213432374 is about 597.6130855090.

Adding to 213432374 its reverse (473234312), we get a palindrome (686666686).

The spelling of 213432374 in words is "two hundred thirteen million, four hundred thirty-two thousand, three hundred seventy-four".