213110904 has 32 divisors (see below), whose sum is σ = 533744640. Its totient is φ = 70908000.

The previous prime is 213110903. The next prime is 213110921. The reversal of 213110904 is 409011312.

213110904 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 (213110903) 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, 5929 + ... + 21479.

It is an arithmetic number, because the mean of its divisors is an integer number (16679520).

Almost surely, 2^213110904 is an apocalyptic number.

213110904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213110904 is an abundant number, since it is smaller than the sum of its proper divisors (320633736).

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

213110904 is a wasteful number, since it uses less digits than its factorization.

213110904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16131 (or 16127 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 213110904 is about 14598.3185333106. The cubic root of 213110904 is about 597.3128948528.

The spelling of 213110904 in words is "two hundred thirteen million, one hundred ten thousand, nine hundred four".