13020345315 has 12 divisors (see below), whose sum is σ = 22568598624. Its totient is φ = 6944184144.

The previous prime is 13020345307. The next prime is 13020345337. The reversal of 13020345315 is 51354302031.

13020345315 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 0 + 345 + 315 = 666.

It is not a de Polignac number, because 13020345315 - 2³ = 13020345307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144670459 + ... + 144670548.

It is an arithmetic number, because the mean of its divisors is an integer number (1880716552).

Almost surely, 2^13020345315 is an apocalyptic number.

13020345315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13020345315 is a deficient number, since it is larger than the sum of its proper divisors (9548253309).

13020345315 is a wasteful number, since it uses less digits than its factorization.

13020345315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289341018 (or 289341015 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13020345315 its reverse (51354302031), we get a palindrome (64374647346).

The spelling of 13020345315 in words is "thirteen billion, twenty million, three hundred forty-five thousand, three hundred fifteen".