213712310 has 32 divisors (see below), whose sum is σ = 454800960. Its totient is φ = 70745472.

The previous prime is 213712307. The next prime is 213712313. The reversal of 213712310 is 13217312.

213712310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213712307) and next prime (213712313).

It is a super-2 number, since 2×213712310² = 91345902891072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213712313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50609 + ... + 54668.

It is an arithmetic number, because the mean of its divisors is an integer number (14212530).

Almost surely, 2^213712310 is an apocalyptic number.

213712310 is an abundant number, since it is smaller than the sum of its proper divisors (241088650).

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

213712310 is a wasteful number, since it uses less digits than its factorization.

213712310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105320.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 213712310 is about 14618.9024895852. The cubic root of 213712310 is about 597.8742460297.

Adding to 213712310 its reverse (13217312), we get a palindrome (226929622).

The spelling of 213712310 in words is "two hundred thirteen million, seven hundred twelve thousand, three hundred ten".