312332001989 has 8 divisors (see below), whose sum is σ = 357367378368. Its totient is φ = 267400755360.

The previous prime is 312332001953. The next prime is 312332002043. The reversal of 312332001989 is 989100233213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312332001989 - 2²⁰ = 312330953413 is a prime.

It is a super-2 number, since 2×312332001989² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312332001929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26026007 + ... + 26038004.

It is an arithmetic number, because the mean of its divisors is an integer number (44670922296).

Almost surely, 2^312332001989 is an apocalyptic number.

It is an amenable number.

312332001989 is a deficient number, since it is larger than the sum of its proper divisors (45035376379).

312332001989 is an equidigital number, since it uses as much as digits as its factorization.

312332001989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52064875.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 312332001989 in words is "three hundred twelve billion, three hundred thirty-two million, one thousand, nine hundred eighty-nine".