13531145303 has 8 divisors (see below), whose sum is σ = 14573591088. Its totient is φ = 12488926464.

The previous prime is 13531145297. The next prime is 13531145311. The reversal of 13531145303 is 30354113531.

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

It is a cyclic number.

It is not a de Polignac number, because 13531145303 - 2¹⁰ = 13531144279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531145603) 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, 79175 + ... + 182567.

It is an arithmetic number, because the mean of its divisors is an integer number (1821698886).

Almost surely, 2^13531145303 is an apocalyptic number.

13531145303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13531145303 is a deficient number, since it is larger than the sum of its proper divisors (1042445785).

13531145303 is a wasteful number, since it uses less digits than its factorization.

13531145303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113473.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 13531145303 its reverse (30354113531), we get a palindrome (43885258834).

The spelling of 13531145303 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-five thousand, three hundred three".