231334313 has 4 divisors (see below), whose sum is σ = 264382080. Its totient is φ = 198286548.

The previous prime is 231334309. The next prime is 231334331. The reversal of 231334313 is 313433132.

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 231334313 - 2² = 231334309 is a prime.

It is a super-4 number, since 4×231334313⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231334303) 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, 16523873 + ... + 16523886.

It is an arithmetic number, because the mean of its divisors is an integer number (66095520).

Almost surely, 2^231334313 is an apocalyptic number.

It is an amenable number.

231334313 is a deficient number, since it is larger than the sum of its proper divisors (33047767).

231334313 is an equidigital number, since it uses as much as digits as its factorization.

231334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33047766.

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

The square root of 231334313 is about 15209.6782674717. The cubic root of 231334313 is about 613.8751005908.

Adding to 231334313 its reverse (313433132), we get a palindrome (544767445).

The spelling of 231334313 in words is "two hundred thirty-one million, three hundred thirty-four thousand, three hundred thirteen".