2312133989 has 8 divisors (see below), whose sum is σ = 2522912160. Its totient is φ = 2101453200.

The previous prime is 2312133983. The next prime is 2312134007. The reversal of 2312133989 is 9893312132.

It is a happy number.

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

It is not a de Polignac number, because 2312133989 - 2¹⁶ = 2312068453 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 (2312133983) 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, 30734 + ... + 74624.

It is an arithmetic number, because the mean of its divisors is an integer number (315364020).

Almost surely, 2^2312133989 is an apocalyptic number.

It is an amenable number.

2312133989 is a deficient number, since it is larger than the sum of its proper divisors (210778171).

2312133989 is a wasteful number, since it uses less digits than its factorization.

2312133989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48691.

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

The square root of 2312133989 is about 48084.6544024182. The cubic root of 2312133989 is about 1322.3233472236.

The spelling of 2312133989 in words is "two billion, three hundred twelve million, one hundred thirty-three thousand, nine hundred eighty-nine".