13497371231 has 4 divisors (see below), whose sum is σ = 13497762264. Its totient is φ = 13496980200.

The previous prime is 13497371227. The next prime is 13497371233. The reversal of 13497371231 is 13217379431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13497371231 - 2² = 13497371227 is a prime.

It is a super-2 number, since 2×13497371231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497371233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138125 + ... + 214646.

It is an arithmetic number, because the mean of its divisors is an integer number (3374440566).

Almost surely, 2^13497371231 is an apocalyptic number.

13497371231 is a deficient number, since it is larger than the sum of its proper divisors (391033).

13497371231 is an equidigital number, since it uses as much as digits as its factorization.

13497371231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391032.

The product of its digits is 95256, while the sum is 41.

The spelling of 13497371231 in words is "thirteen billion, four hundred ninety-seven million, three hundred seventy-one thousand, two hundred thirty-one".