13231120440430 has 32 divisors (see below), whose sum is σ = 23824699954848. Its totient is φ = 5290518979200.

The previous prime is 13231120440367. The next prime is 13231120440463. The reversal of 13231120440430 is 3404402113231.

It is a happy number.

13231120440430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354104929 + ... + 354142291.

It is an arithmetic number, because the mean of its divisors is an integer number (744521873589).

Almost surely, 2^{13231120440430} is an apocalyptic number.

13231120440430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13231120440430 is a deficient number, since it is larger than the sum of its proper divisors (10593579514418).

13231120440430 is a wasteful number, since it uses less digits than its factorization.

13231120440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49332.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13231120440430 its reverse (3404402113231), we get a palindrome (16635522553661).

The spelling of 13231120440430 in words is "thirteen trillion, two hundred thirty-one billion, one hundred twenty million, four hundred forty thousand, four hundred thirty".