13124404531 has 8 divisors (see below), whose sum is σ = 15001114464. Its totient is φ = 11248143360.

The previous prime is 13124404511. The next prime is 13124404541. The reversal of 13124404531 is 13540442131.

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 13124404531 - 2⁹ = 13124404019 is a prime.

It is a super-2 number, since 2×13124404531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13124404531.

It is not an unprimeable number, because it can be changed into a prime (13124404511) 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, 46990 + ... + 168691.

It is an arithmetic number, because the mean of its divisors is an integer number (1875139308).

Almost surely, 2^13124404531 is an apocalyptic number.

13124404531 is a deficient number, since it is larger than the sum of its proper divisors (1876709933).

13124404531 is an equidigital number, since it uses as much as digits as its factorization.

13124404531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224381.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13124404531 its reverse (13540442131), we get a palindrome (26664846662).

The spelling of 13124404531 in words is "thirteen billion, one hundred twenty-four million, four hundred four thousand, five hundred thirty-one".