13531020351 has 8 divisors (see below), whose sum is σ = 18156274224. Its totient is φ = 8963223360.

The previous prime is 13531020329. The next prime is 13531020383. The reversal of 13531020351 is 15302013531.

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

It is not a de Polignac number, because 13531020351 - 2³⁰ = 12457278527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14363670 + ... + 14364611.

It is an arithmetic number, because the mean of its divisors is an integer number (2269534278).

Almost surely, 2^13531020351 is an apocalyptic number.

13531020351 is a deficient number, since it is larger than the sum of its proper divisors (4625253873).

13531020351 is a wasteful number, since it uses less digits than its factorization.

13531020351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28728441.

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

Adding to 13531020351 its reverse (15302013531), we get a palindrome (28833033882).

The spelling of 13531020351 in words is "thirteen billion, five hundred thirty-one million, twenty thousand, three hundred fifty-one".