201313515807 has 20 divisors (see below), whose sum is σ = 300801602376. Its totient is φ = 134175983760.

The previous prime is 201313515773. The next prime is 201313515833. The reversal of 201313515807 is 708515313102.

It is a happy number.

201313515807 is a `hidden beast` number, since 2 + 0 + 13 + 13 + 51 + 580 + 7 = 666.

It is not a de Polignac number, because 201313515807 - 2²⁸ = 201045080351 is a prime.

It is a super-2 number, since 2×201313515807² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201313515307) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27613 + ... + 635129.

Almost surely, 2^201313515807 is an apocalyptic number.

201313515807 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

201313515807 is a deficient number, since it is larger than the sum of its proper divisors (99488086569).

201313515807 is an equidigital number, since it uses as much as digits as its factorization.

201313515807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611620 (or 611611 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

Adding to 201313515807 its reverse (708515313102), we get a palindrome (909828828909).

The spelling of 201313515807 in words is "two hundred one billion, three hundred thirteen million, five hundred fifteen thousand, eight hundred seven".