2431313557 has 2 divisors, whose sum is σ = 2431313558. Its totient is φ = 2431313556.

The previous prime is 2431313519. The next prime is 2431313567. The reversal of 2431313557 is 7553131342.

2431313557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2327966001 + 103347556 = 48249^2 + 10166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2431313557 is a prime.

It is a super-2 number, since 2×2431313557² = 11822571224903984498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2431313567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215656778 + 1215656779.

It is an arithmetic number, because the mean of its divisors is an integer number (1215656779).

Almost surely, 2^2431313557 is an apocalyptic number.

It is an amenable number.

2431313557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431313557 is an equidigital number, since it uses as much as digits as its factorization.

2431313557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 2431313557 is about 49308.3517976417. The cubic root of 2431313557 is about 1344.6636264450.

Adding to 2431313557 its reverse (7553131342), we get a palindrome (9984444899).

The spelling of 2431313557 in words is "two billion, four hundred thirty-one million, three hundred thirteen thousand, five hundred fifty-seven".