213710371 has 4 divisors (see below), whose sum is σ = 244240432. Its totient is φ = 183180312.

The previous prime is 213710359. The next prime is 213710377. The reversal of 213710371 is 173017312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213710371 - 2¹⁵ = 213677603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213710377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15265020 + ... + 15265033.

It is an arithmetic number, because the mean of its divisors is an integer number (61060108).

Almost surely, 2^213710371 is an apocalyptic number.

213710371 is a deficient number, since it is larger than the sum of its proper divisors (30530061).

213710371 is an equidigital number, since it uses as much as digits as its factorization.

213710371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30530060.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 213710371 is about 14618.8361711868. The cubic root of 213710371 is about 597.8724378642.

Adding to 213710371 its reverse (173017312), we get a palindrome (386727683).

The spelling of 213710371 in words is "two hundred thirteen million, seven hundred ten thousand, three hundred seventy-one".