13231120440429 has 12 divisors (see below), whose sum is σ = 19113229595616. Its totient is φ = 8820003337992.

The previous prime is 13231120440367. The next prime is 13231120440463. The reversal of 13231120440429 is 92404402113231.

13231120440429 is a `hidden beast` number, since 1 + 3 + 23 + 1 + 1 + 204 + 4 + 0 + 429 = 666.

13231120440429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13231120440429 - 2¹⁶ = 13231120374893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13231120440393 and 13231120440402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231120440229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61855827 + ... + 62069360.

It is an arithmetic number, because the mean of its divisors is an integer number (1592769132968).

Almost surely, 2^{13231120440429} is an apocalyptic number.

It is an amenable number.

13231120440429 is a deficient number, since it is larger than the sum of its proper divisors (5882109155187).

13231120440429 is a wasteful number, since it uses less digits than its factorization.

13231120440429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123937056 (or 123937053 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 13231120440429 in words is "thirteen trillion, two hundred thirty-one billion, one hundred twenty million, four hundred forty thousand, four hundred twenty-nine".