213500313 has 32 divisors (see below), whose sum is σ = 341600000. Its totient is φ = 131010048.

The previous prime is 213500311. The next prime is 213500327. The reversal of 213500313 is 313005312.

213500313 is a `hidden beast` number, since 2 + 1 + 350 + 0 + 313 = 666.

213500313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213500313 - 2¹ = 213500311 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213500311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170313 + ... + 171561.

It is an arithmetic number, because the mean of its divisors is an integer number (10675000).

Almost surely, 2^213500313 is an apocalyptic number.

It is an amenable number.

213500313 is a deficient number, since it is larger than the sum of its proper divisors (128099687).

213500313 is a wasteful number, since it uses less digits than its factorization.

213500313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 213500313 is about 14611.6499068380. The cubic root of 213500313 is about 597.6764887741.

Adding to 213500313 its reverse (313005312), we get a palindrome (526505625).

The spelling of 213500313 in words is "two hundred thirteen million, five hundred thousand, three hundred thirteen".