13016626123431 has 16 divisors (see below), whose sum is σ = 19834935148800. Its totient is φ = 7438043460288.

The previous prime is 13016626123393. The next prime is 13016626123477. The reversal of 13016626123431 is 13432162661031.

It is not a de Polignac number, because 13016626123431 - 2¹⁸ = 13016625861287 is a prime.

It is a super-2 number, since 2×13016626123431² (a number of 27 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 13016626123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13016626123031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5192740 + ... + 7279958.

It is an arithmetic number, because the mean of its divisors is an integer number (1239683446800).

Almost surely, 2^{13016626123431} is an apocalyptic number.

13016626123431 is a deficient number, since it is larger than the sum of its proper divisors (6818309025369).

13016626123431 is a wasteful number, since it uses less digits than its factorization.

13016626123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384198.

The product of its (nonzero) digits is 93312, while the sum is 39.

Adding to 13016626123431 its reverse (13432162661031), we get a palindrome (26448788784462).

The spelling of 13016626123431 in words is "thirteen trillion, sixteen billion, six hundred twenty-six million, one hundred twenty-three thousand, four hundred thirty-one".