213812310 has 16 divisors (see below), whose sum is σ = 513149616. Its totient is φ = 57016608.

The previous prime is 213812309. The next prime is 213812321. The reversal of 213812310 is 13218312.

213812310 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213812310² = 91431407815072200, which contains 22 as substring.

It is a congruent number.

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, 3563509 + ... + 3563568.

It is an arithmetic number, because the mean of its divisors is an integer number (32071851).

Almost surely, 2^213812310 is an apocalyptic number.

213812310 is an abundant number, since it is smaller than the sum of its proper divisors (299337306).

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

213812310 is a wasteful number, since it uses less digits than its factorization.

213812310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127087.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 213812310 is about 14622.3223189752. The cubic root of 213812310 is about 597.9674836814.

The spelling of 213812310 in words is "two hundred thirteen million, eight hundred twelve thousand, three hundred ten".