231313110329 has 12 divisors (see below), whose sum is σ = 269478374004. Its totient is φ = 197973748224.

The previous prime is 231313110323. The next prime is 231313110373. The reversal of 231313110329 is 923011313132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40586131600 + 190726978729 = 201460^2 + 436723^2 .

It is not a de Polignac number, because 231313110329 - 2¹⁶ = 231313044793 is a prime.

It is a super-2 number, since 2×231313110329² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231313110323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3474212 + ... + 3540165.

It is an arithmetic number, because the mean of its divisors is an integer number (22456531167).

Almost surely, 2^231313110329 is an apocalyptic number.

It is an amenable number.

231313110329 is a deficient number, since it is larger than the sum of its proper divisors (38165263675).

231313110329 is an equidigital number, since it uses as much as digits as its factorization.

231313110329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015064 (or 7015057 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 231313110329 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred ten thousand, three hundred twenty-nine".