13457975431 has 8 divisors (see below), whose sum is σ = 13537326528. Its totient is φ = 13378848000.

The previous prime is 13457975417. The next prime is 13457975437.

13457975431 is nontrivially palindromic in base 10.

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 13457975431 - 2¹¹ = 13457973383 is a prime.

It is a super-2 number, since 2×13457975431² (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 (13457975437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65551 + ... + 176671.

It is an arithmetic number, because the mean of its divisors is an integer number (1692165816).

Almost surely, 2^13457975431 is an apocalyptic number.

13457975431 is a deficient number, since it is larger than the sum of its proper divisors (79351097).

13457975431 is a wasteful number, since it uses less digits than its factorization.

13457975431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111833.

The product of its digits is 1587600, while the sum is 49.

The spelling of 13457975431 in words is "thirteen billion, four hundred fifty-seven million, nine hundred seventy-five thousand, four hundred thirty-one".