2320040631 has 4 divisors (see below), whose sum is σ = 3093387512. Its totient is φ = 1546693752.

The previous prime is 2320040627. The next prime is 2320040641. The reversal of 2320040631 is 1360400232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2320040631 - 2² = 2320040627 is a prime.

It is a super-2 number, since 2×2320040631² = 10765177058981756322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320040598 and 2320040607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320040621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386673436 + ... + 386673441.

It is an arithmetic number, because the mean of its divisors is an integer number (773346878).

Almost surely, 2^2320040631 is an apocalyptic number.

2320040631 is a deficient number, since it is larger than the sum of its proper divisors (773346881).

2320040631 is an equidigital number, since it uses as much as digits as its factorization.

2320040631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773346880.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2320040631 is about 48166.8000909340. The cubic root of 2320040631 is about 1323.8289177467.

Adding to 2320040631 its reverse (1360400232), we get a palindrome (3680440863).

The spelling of 2320040631 in words is "two billion, three hundred twenty million, forty thousand, six hundred thirty-one".