2312226631 has 12 divisors (see below), whose sum is σ = 2737043176. Its totient is φ = 1940328720.

The previous prime is 2312226619. The next prime is 2312226647. The reversal of 2312226631 is 1366222132.

2312226631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2312226631 - 2²⁵ = 2278672199 is a prime.

It is a super-2 number, since 2×2312226631² = 10692783986211220322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312226631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312226671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733401 + ... + 736546.

Almost surely, 2^2312226631 is an apocalyptic number.

2312226631 is a deficient number, since it is larger than the sum of its proper divisors (424816545).

2312226631 is a wasteful number, since it uses less digits than its factorization.

2312226631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469982 (or 1469971 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 2312226631 is about 48085.6177146556. The cubic root of 2312226631 is about 1322.3410078269.

Adding to 2312226631 its reverse (1366222132), we get a palindrome (3678448763).

The spelling of 2312226631 in words is "two billion, three hundred twelve million, two hundred twenty-six thousand, six hundred thirty-one".