13257483231 has 8 divisors (see below), whose sum is σ = 17697970480. Its totient is φ = 8827659072.

The previous prime is 13257483191. The next prime is 13257483233. The reversal of 13257483231 is 13238475231.

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

It is not a de Polignac number, because 13257483231 - 2¹¹ = 13257481183 is a prime.

It is a super-2 number, since 2×13257483231² (a number of 21 digits) contains 22 as substring.

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 13257483231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257483233) 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, 2662870 + ... + 2667843.

It is an arithmetic number, because the mean of its divisors is an integer number (2212246310).

Almost surely, 2^13257483231 is an apocalyptic number.

13257483231 is a deficient number, since it is larger than the sum of its proper divisors (4440487249).

13257483231 is an equidigital number, since it uses as much as digits as its factorization.

13257483231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331545.

The product of its digits is 120960, while the sum is 39.

The spelling of 13257483231 in words is "thirteen billion, two hundred fifty-seven million, four hundred eighty-three thousand, two hundred thirty-one".