213170013 has 24 divisors (see below), whose sum is σ = 355537728. Its totient is φ = 120552192.

The previous prime is 213169997. The next prime is 213170017. The reversal of 213170013 is 310071312.

It is not a de Polignac number, because 213170013 - 2⁴ = 213169997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213170017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11331 + ... + 23552.

It is an arithmetic number, because the mean of its divisors is an integer number (14814072).

Almost surely, 2^213170013 is an apocalyptic number.

It is an amenable number.

213170013 is a deficient number, since it is larger than the sum of its proper divisors (142367715).

213170013 is a wasteful number, since it uses less digits than its factorization.

213170013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34993 (or 34990 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 213170013 is about 14600.3429069320. The cubic root of 213170013 is about 597.3681138389.

The spelling of 213170013 in words is "two hundred thirteen million, one hundred seventy thousand, thirteen".