1312241315 has 96 divisors (see below), whose sum is σ = 2095994880. Its totient is φ = 778982400.

The previous prime is 1312241261. The next prime is 1312241323. The reversal of 1312241315 is 5131422131.

It is not a de Polignac number, because 1312241315 - 2⁸ = 1312241059 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9440516 + ... + 9440654.

It is an arithmetic number, because the mean of its divisors is an integer number (21833280).

Almost surely, 2^1312241315 is an apocalyptic number.

1312241315 is a deficient number, since it is larger than the sum of its proper divisors (783753565).

1312241315 is a wasteful number, since it uses less digits than its factorization.

1312241315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 306 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1312241315 is about 36224.8714973566. The cubic root of 1312241315 is about 1094.8078490769.

Adding to 1312241315 its reverse (5131422131), we get a palindrome (6443663446).

The spelling of 1312241315 in words is "one billion, three hundred twelve million, two hundred forty-one thousand, three hundred fifteen".