13124243122331 has 4 divisors (see below), whose sum is σ = 14317356133464. Its totient is φ = 11931130111200.

The previous prime is 13124243122259. The next prime is 13124243122339. The reversal of 13124243122331 is 13322134242131.

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 13124243122331 - 2¹⁸ = 13124242860187 is a prime.

It is a super-2 number, since 2×13124243122331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124243122339) 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, 596556505550 + ... + 596556505571.

It is an arithmetic number, because the mean of its divisors is an integer number (3579339033366).

Almost surely, 2^{13124243122331} is an apocalyptic number.

13124243122331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13124243122331 is a deficient number, since it is larger than the sum of its proper divisors (1193113011133).

13124243122331 is a wasteful number, since it uses less digits than its factorization.

13124243122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193113011132.

The product of its digits is 20736, while the sum is 32.

Adding to 13124243122331 its reverse (13322134242131), we get a palindrome (26446377364462).

The spelling of 13124243122331 in words is "thirteen trillion, one hundred twenty-four billion, two hundred forty-three million, one hundred twenty-two thousand, three hundred thirty-one".