2431156312 has 16 divisors (see below), whose sum is σ = 4909065840. Its totient is φ = 1122072096.

The previous prime is 2431156291. The next prime is 2431156313. The reversal of 2431156312 is 2136511342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431156313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11688148 + ... + 11688355.

It is an arithmetic number, because the mean of its divisors is an integer number (306816615).

Almost surely, 2^2431156312 is an apocalyptic number.

It is an amenable number.

2431156312 is an abundant number, since it is smaller than the sum of its proper divisors (2477909528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2431156312 is a wasteful number, since it uses less digits than its factorization.

2431156312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23376522 (or 23376518 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2431156312 is about 49306.7572651052. The cubic root of 2431156312 is about 1344.6346371511.

Adding to 2431156312 its reverse (2136511342), we get a palindrome (4567667654).

The spelling of 2431156312 in words is "two billion, four hundred thirty-one million, one hundred fifty-six thousand, three hundred twelve".