2331157885 has 8 divisors (see below), whose sum is σ = 3197016576. Its totient is φ = 1598508240.

The previous prime is 2331157877. The next prime is 2331157891. The reversal of 2331157885 is 5887511332.

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

It is not a de Polignac number, because 2331157885 - 2³ = 2331157877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33302221 + ... + 33302290.

It is an arithmetic number, because the mean of its divisors is an integer number (399627072).

Almost surely, 2^2331157885 is an apocalyptic number.

It is an amenable number.

2331157885 is a deficient number, since it is larger than the sum of its proper divisors (865858691).

2331157885 is an equidigital number, since it uses as much as digits as its factorization.

2331157885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66604523.

The product of its digits is 201600, while the sum is 43.

The square root of 2331157885 is about 48282.0658733654. The cubic root of 2331157885 is about 1325.9400728733.

The spelling of 2331157885 in words is "two billion, three hundred thirty-one million, one hundred fifty-seven thousand, eight hundred eighty-five".