231310300213 has 4 divisors (see below), whose sum is σ = 243484526560. Its totient is φ = 219136073868.

The previous prime is 231310300187. The next prime is 231310300223. The reversal of 231310300213 is 312003013132.

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 not a de Polignac number, because 231310300213 - 2²⁵ = 231276745781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 12174226327 = 231310300213 / (2 + 3 + 1 + 3 + 1 + 0 + 3 + 0 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310300223) 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, 6087113145 + ... + 6087113182.

It is an arithmetic number, because the mean of its divisors is an integer number (60871131640).

Almost surely, 2^231310300213 is an apocalyptic number.

It is an amenable number.

231310300213 is a deficient number, since it is larger than the sum of its proper divisors (12174226347).

231310300213 is a wasteful number, since it uses less digits than its factorization.

231310300213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12174226346.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231310300213 its reverse (312003013132), we get a palindrome (543313313345).

The spelling of 231310300213 in words is "two hundred thirty-one billion, three hundred ten million, three hundred thousand, two hundred thirteen".