1313510115 has 16 divisors (see below), whose sum is σ = 2102313888. Its totient is φ = 700306176.

The previous prime is 1313510113. The next prime is 1313510119. The reversal of 1313510115 is 5110153131.

It is not a de Polignac number, because 1313510115 - 2¹ = 1313510113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313510091 and 1313510100.

It is not an unprimeable number, because it can be changed into a prime (1313510113) 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, 38367 + ... + 64023.

It is an arithmetic number, because the mean of its divisors is an integer number (131394618).

Almost surely, 2^1313510115 is an apocalyptic number.

1313510115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313510115 is a deficient number, since it is larger than the sum of its proper divisors (788803773).

1313510115 is a wasteful number, since it uses less digits than its factorization.

1313510115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29078.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1313510115 is about 36242.3800956836. The cubic root of 1313510115 is about 1095.1605902791.

Adding to 1313510115 its reverse (5110153131), we get a palindrome (6423663246).

The spelling of 1313510115 in words is "one billion, three hundred thirteen million, five hundred ten thousand, one hundred fifteen".