2531130515 has 8 divisors (see below), whose sum is σ = 3048566208. Its totient is φ = 2017431360.

The previous prime is 2531130491. The next prime is 2531130571. The reversal of 2531130515 is 5150311352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2531130515 - 2⁶ = 2531130451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932642 + ... + 935351.

It is an arithmetic number, because the mean of its divisors is an integer number (381070776).

Almost surely, 2^2531130515 is an apocalyptic number.

2531130515 is a deficient number, since it is larger than the sum of its proper divisors (517435693).

2531130515 is a wasteful number, since it uses less digits than its factorization.

2531130515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868269.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 2531130515 is about 50310.3420282550. The cubic root of 2531130515 is about 1362.8190004690.

Adding to 2531130515 its reverse (5150311352), we get a palindrome (7681441867).

The spelling of 2531130515 in words is "two billion, five hundred thirty-one million, one hundred thirty thousand, five hundred fifteen".