231244303313 has 2 divisors, whose sum is σ = 231244303314. Its totient is φ = 231244303312.

The previous prime is 231244303307. The next prime is 231244303321. The reversal of 231244303313 is 313303442132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175688399104 + 55555904209 = 419152^2 + 235703^2 .

It is a cyclic number.

It is not a de Polignac number, because 231244303313 - 2⁶ = 231244303249 is a prime.

It is not a weakly prime, because it can be changed into another prime (231244303393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115622151656 + 115622151657.

It is an arithmetic number, because the mean of its divisors is an integer number (115622151657).

Almost surely, 2^231244303313 is an apocalyptic number.

It is an amenable number.

231244303313 is a deficient number, since it is larger than the sum of its proper divisors (1).

231244303313 is an equidigital number, since it uses as much as digits as its factorization.

231244303313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231244303313 its reverse (313303442132), we get a palindrome (544547745445).

The spelling of 231244303313 in words is "two hundred thirty-one billion, two hundred forty-four million, three hundred three thousand, three hundred thirteen".