13531201315 has 16 divisors (see below), whose sum is σ = 16864091136. Its totient is φ = 10411480800.

The previous prime is 13531201261. The next prime is 13531201331. The reversal of 13531201315 is 51310213531.

It is not a de Polignac number, because 13531201315 - 2¹⁷ = 13531070243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13531201315.

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, 242521 + ... + 293050.

It is an arithmetic number, because the mean of its divisors is an integer number (1054005696).

Almost surely, 2^13531201315 is an apocalyptic number.

13531201315 is a deficient number, since it is larger than the sum of its proper divisors (3332889821).

13531201315 is a wasteful number, since it uses less digits than its factorization.

13531201315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535770.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 13531201315 its reverse (51310213531), we get a palindrome (64841414846).

The spelling of 13531201315 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, three hundred fifteen".