313223231231999 has 24 divisors (see below), whose sum is σ = 361634855963136. Its totient is φ = 270564265026000.

The previous prime is 313223231231983. The next prime is 313223231232017. The reversal of 313223231231999 is 999132132322313.

It is not a de Polignac number, because 313223231231999 - 2⁴ = 313223231231983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313223231231999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313223231231399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372257819 + ... + 373098284.

It is an arithmetic number, because the mean of its divisors is an integer number (15068118998464).

Almost surely, 2^{313223231231999} is an apocalyptic number.

313223231231999 is a deficient number, since it is larger than the sum of its proper divisors (48411624731137).

313223231231999 is a wasteful number, since it uses less digits than its factorization.

313223231231999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745356299 (or 745356288 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 53.

The spelling of 313223231231999 in words is "three hundred thirteen trillion, two hundred twenty-three billion, two hundred thirty-one million, two hundred thirty-one thousand, nine hundred ninety-nine".