13100031231123 has 8 divisors (see below), whose sum is σ = 18494161738128. Its totient is φ = 8219627439104.

The previous prime is 13100031231061. The next prime is 13100031231163. The reversal of 13100031231123 is 32113213000131.

It is a happy number.

13100031231123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13100031231123 - 2¹⁸ = 13100030968979 is a prime.

It is a super-2 number, since 2×13100031231123² (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 13100031231123.

It is not an unprimeable number, because it can be changed into a prime (13100031231163) 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, 128431678686 + ... + 128431678787.

It is an arithmetic number, because the mean of its divisors is an integer number (2311770217266).

Almost surely, 2^{13100031231123} is an apocalyptic number.

13100031231123 is a deficient number, since it is larger than the sum of its proper divisors (5394130507005).

13100031231123 is a wasteful number, since it uses less digits than its factorization.

13100031231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256863357493.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13100031231123 its reverse (32113213000131), we get a palindrome (45213244231254).

The spelling of 13100031231123 in words is "thirteen trillion, one hundred billion, thirty-one million, two hundred thirty-one thousand, one hundred twenty-three".