13531201503 has 8 divisors (see below), whose sum is σ = 18084662400. Its totient is φ = 8999270808.

The previous prime is 13531201417. The next prime is 13531201549. The reversal of 13531201503 is 30510213531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13531201503 - 2⁸ = 13531201247 is a prime.

It is a super-2 number, since 2×13531201503² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531201573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5381083 + ... + 5383596.

It is an arithmetic number, because the mean of its divisors is an integer number (2260582800).

Almost surely, 2^13531201503 is an apocalyptic number.

13531201503 is a deficient number, since it is larger than the sum of its proper divisors (4553460897).

13531201503 is a wasteful number, since it uses less digits than its factorization.

13531201503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10765101.

The product of its (nonzero) digits is 1350, while the sum is 24.

The spelling of 13531201503 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, five hundred three".