2431323431 has 12 divisors (see below), whose sum is σ = 2565610632. Its totient is φ = 2303150304.

The previous prime is 2431323407. The next prime is 2431323437. The reversal of 2431323431 is 1343231342.

It is not a de Polignac number, because 2431323431 - 2³⁰ = 1357581607 is a prime.

It is a super-2 number, since 2×2431323431² = 11822667252259223522, 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 2431323431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431323437) 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, 17300 + ... + 71846.

It is an arithmetic number, because the mean of its divisors is an integer number (213800886).

Almost surely, 2^2431323431 is an apocalyptic number.

2431323431 is a deficient number, since it is larger than the sum of its proper divisors (134287201).

2431323431 is an equidigital number, since it uses as much as digits as its factorization.

2431323431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54658 (or 54629 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 2431323431 is about 49308.4519225660. The cubic root of 2431323431 is about 1344.6654467492.

Adding to 2431323431 its reverse (1343231342), we get a palindrome (3774554773).

The spelling of 2431323431 in words is "two billion, four hundred thirty-one million, three hundred twenty-three thousand, four hundred thirty-one".