2631513642315 has 16 divisors (see below), whose sum is σ = 4355608788000. Its totient is φ = 1355078289152.

The previous prime is 2631513642313. The next prime is 2631513642337. The reversal of 2631513642315 is 5132463151362.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2631513642315 - 2¹ = 2631513642313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2631513642313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3024727890 + ... + 3024728759.

It is an arithmetic number, because the mean of its divisors is an integer number (272225549250).

Almost surely, 2^{2631513642315} is an apocalyptic number.

2631513642315 is a deficient number, since it is larger than the sum of its proper divisors (1724095145685).

2631513642315 is a wasteful number, since it uses less digits than its factorization.

2631513642315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049456686.

The product of its digits is 388800, while the sum is 42.

Adding to 2631513642315 its reverse (5132463151362), we get a palindrome (7763976793677).

The spelling of 2631513642315 in words is "two trillion, six hundred thirty-one billion, five hundred thirteen million, six hundred forty-two thousand, three hundred fifteen".