2531135315 has 16 divisors (see below), whose sum is σ = 3051066528. Its totient is φ = 2015794176.

The previous prime is 2531135309. The next prime is 2531135323. The reversal of 2531135315 is 5135311352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2531135315 - 2¹² = 2531131219 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, 1981457 + ... + 1982733.

It is an arithmetic number, because the mean of its divisors is an integer number (190691658).

Almost surely, 2^2531135315 is an apocalyptic number.

2531135315 is a deficient number, since it is larger than the sum of its proper divisors (519931213).

2531135315 is a wasteful number, since it uses less digits than its factorization.

2531135315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758.

The product of its digits is 6750, while the sum is 29.

The square root of 2531135315 is about 50310.3897321418. The cubic root of 2531135315 is about 1362.8198619453.

Adding to 2531135315 its reverse (5135311352), we get a palindrome (7666446667).

The spelling of 2531135315 in words is "two billion, five hundred thirty-one million, one hundred thirty-five thousand, three hundred fifteen".