2331878631 has 8 divisors (see below), whose sum is σ = 3152962944. Its totient is φ = 1532690040.

The previous prime is 2331878599. The next prime is 2331878663. The reversal of 2331878631 is 1368781332.

It is an interprime number because it is at equal distance from previous prime (2331878599) and next prime (2331878663).

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

It is not a de Polignac number, because 2331878631 - 2⁵ = 2331878599 is a prime.

It is a super-2 number, since 2×2331878631² = 10875315899428868322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331878431) 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 7 ways as a sum of consecutive naturals, for example, 5473681 + ... + 5474106.

It is an arithmetic number, because the mean of its divisors is an integer number (394120368).

Almost surely, 2^2331878631 is an apocalyptic number.

2331878631 is a deficient number, since it is larger than the sum of its proper divisors (821084313).

2331878631 is a wasteful number, since it uses less digits than its factorization.

2331878631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947861.

The product of its digits is 145152, while the sum is 42.

The square root of 2331878631 is about 48289.5292066510. The cubic root of 2331878631 is about 1326.0767099119.

The spelling of 2331878631 in words is "two billion, three hundred thirty-one million, eight hundred seventy-eight thousand, six hundred thirty-one".