13124205431 has 8 divisors (see below), whose sum is σ = 13330302384. Its totient is φ = 12919250880.

The previous prime is 13124205389. The next prime is 13124205473. The reversal of 13124205431 is 13450242131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13124205389) and next prime (13124205473).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13124205431 is a prime.

It is a super-2 number, since 2×13124205431² (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 13124205431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124205481) 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, 262430 + ... + 308411.

It is an arithmetic number, because the mean of its divisors is an integer number (1666287798).

Almost surely, 2^13124205431 is an apocalyptic number.

13124205431 is a deficient number, since it is larger than the sum of its proper divisors (206096953).

13124205431 is an equidigital number, since it uses as much as digits as its factorization.

13124205431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571201.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13124205431 its reverse (13450242131), we get a palindrome (26574447562).

The spelling of 13124205431 in words is "thirteen billion, one hundred twenty-four million, two hundred five thousand, four hundred thirty-one".