231233002313 has 4 divisors (see below), whose sum is σ = 231408312960. Its totient is φ = 231057691668.

The previous prime is 231233002309. The next prime is 231233002337. The reversal of 231233002313 is 313200332132.

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 a cyclic number.

It is not a de Polignac number, because 231233002313 - 2² = 231233002309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231233902313) 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, 87653345 + ... + 87655982.

It is an arithmetic number, because the mean of its divisors is an integer number (57852078240).

Almost surely, 2^231233002313 is an apocalyptic number.

It is an amenable number.

231233002313 is a deficient number, since it is larger than the sum of its proper divisors (175310647).

231233002313 is a wasteful number, since it uses less digits than its factorization.

231233002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175310646.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231233002313 its reverse (313200332132), we get a palindrome (544433334445).

The spelling of 231233002313 in words is "two hundred thirty-one billion, two hundred thirty-three million, two thousand, three hundred thirteen".