2631157315 has 16 divisors (see below), whose sum is σ = 3241421568. Its totient is φ = 2049225696.

The previous prime is 2631157273. The next prime is 2631157349. The reversal of 2631157315 is 5137511362.

It is a cyclic number.

It is not a de Polignac number, because 2631157315 - 2¹⁵ = 2631124547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46074 + ... + 85936.

It is an arithmetic number, because the mean of its divisors is an integer number (202588848).

Almost surely, 2^2631157315 is an apocalyptic number.

2631157315 is a deficient number, since it is larger than the sum of its proper divisors (610264253).

2631157315 is a wasteful number, since it uses less digits than its factorization.

2631157315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40218.

The product of its digits is 18900, while the sum is 34.

The square root of 2631157315 is about 51294.8078756515. The cubic root of 2631157315 is about 1380.5398215390.

Adding to 2631157315 its reverse (5137511362), we get a palindrome (7768668677).

The spelling of 2631157315 in words is "two billion, six hundred thirty-one million, one hundred fifty-seven thousand, three hundred fifteen".