13124071204431 has 16 divisors (see below), whose sum is σ = 19919538904320. Its totient is φ = 7608157219520.

The previous prime is 13124071204397. The next prime is 13124071204441. The reversal of 13124071204431 is 13440217042131.

It is not a de Polignac number, because 13124071204431 - 2¹³ = 13124071196239 is a prime.

It is a super-2 number, since 2×13124071204431² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 13124071204392 and 13124071204401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124071204441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8645632446 + ... + 8645633963.

It is an arithmetic number, because the mean of its divisors is an integer number (1244971181520).

Almost surely, 2^{13124071204431} is an apocalyptic number.

13124071204431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13124071204431 is a deficient number, since it is larger than the sum of its proper divisors (6795467699889).

13124071204431 is a wasteful number, since it uses less digits than its factorization.

13124071204431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17291266446.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 13124071204431 its reverse (13440217042131), we get a palindrome (26564288246562).

The spelling of 13124071204431 in words is "thirteen trillion, one hundred twenty-four billion, seventy-one million, two hundred four thousand, four hundred thirty-one".