2321136631 has 8 divisors (see below), whose sum is σ = 2532816000. Its totient is φ = 2109568440.

The previous prime is 2321136619. The next prime is 2321136661. The reversal of 2321136631 is 1366311232.

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 2321136631 - 2²³ = 2312748023 is a prime.

It is a super-2 number, since 2×2321136631² = 10775350519540060322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2321136631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321136661) 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, 19350 + ... + 70828.

It is an arithmetic number, because the mean of its divisors is an integer number (316602000).

Almost surely, 2^2321136631 is an apocalyptic number.

2321136631 is a deficient number, since it is larger than the sum of its proper divisors (211679369).

2321136631 is a wasteful number, since it uses less digits than its factorization.

2321136631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55589.

The product of its digits is 3888, while the sum is 28.

The square root of 2321136631 is about 48178.1758787109. The cubic root of 2321136631 is about 1324.0373462919.

Adding to 2321136631 its reverse (1366311232), we get a palindrome (3687447863).

The spelling of 2321136631 in words is "two billion, three hundred twenty-one million, one hundred thirty-six thousand, six hundred thirty-one".