3231312121999 has 48 divisors (see below), whose sum is σ = 3834438937920. Its totient is φ = 2709169182720.

The previous prime is 3231312121997. The next prime is 3231312122011. The reversal of 3231312121999 is 9991212131323.

It is not a de Polignac number, because 3231312121999 - 2¹ = 3231312121997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231312121997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195036814 + ... + 195053380.

It is an arithmetic number, because the mean of its divisors is an integer number (79884144540).

Almost surely, 2^{3231312121999} is an apocalyptic number.

3231312121999 is a deficient number, since it is larger than the sum of its proper divisors (603126815921).

3231312121999 is a wasteful number, since it uses less digits than its factorization.

3231312121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18980 (or 18967 counting only the distinct ones).

The product of its digits is 157464, while the sum is 46.

The spelling of 3231312121999 in words is "three trillion, two hundred thirty-one billion, three hundred twelve million, one hundred twenty-one thousand, nine hundred ninety-nine".