232311231313 has 24 divisors (see below), whose sum is σ = 278236511784. Its totient is φ = 193280774400.

The previous prime is 232311231307. The next prime is 232311231331. The reversal of 232311231313 is 313132113232.

It can be written as a sum of positive squares in 4 ways, for example, as 120747215169 + 111564016144 = 347487^2 + 334012^2 .

It is not a de Polignac number, because 232311231313 - 2¹³ = 232311223121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232311231343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102283 + ... + 689263.

It is an arithmetic number, because the mean of its divisors is an integer number (11593187991).

Almost surely, 2^232311231313 is an apocalyptic number.

It is an amenable number.

232311231313 is a deficient number, since it is larger than the sum of its proper divisors (45925280471).

232311231313 is a wasteful number, since it uses less digits than its factorization.

232311231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587233 (or 587226 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 232311231313 its reverse (313132113232), we get a palindrome (545443344545).

The spelling of 232311231313 in words is "two hundred thirty-two billion, three hundred eleven million, two hundred thirty-one thousand, three hundred thirteen".