213210112313 has 4 divisors (see below), whose sum is σ = 232592849808. Its totient is φ = 193827374820.

The previous prime is 213210112307. The next prime is 213210112319. The reversal of 213210112313 is 313211012312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (213210112307) and next prime (213210112319).

It is a cyclic number.

It is not a de Polignac number, because 213210112313 - 2¹⁸ = 213209850169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213210112319) 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, 9691368731 + ... + 9691368752.

It is an arithmetic number, because the mean of its divisors is an integer number (58148212452).

Almost surely, 2^213210112313 is an apocalyptic number.

It is an amenable number.

213210112313 is a deficient number, since it is larger than the sum of its proper divisors (19382737495).

213210112313 is a wasteful number, since it uses less digits than its factorization.

213210112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19382737494.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213210112313 its reverse (313211012312), we get a palindrome (526421124625).

It can be divided in two parts, 213210 and 112313, that added together give a palindrome (325523).

The spelling of 213210112313 in words is "two hundred thirteen billion, two hundred ten million, one hundred twelve thousand, three hundred thirteen".