13431023051020 has 48 divisors (see below), whose sum is σ = 28214968672800. Its totient is φ = 5370539120640.

The previous prime is 13431023051003. The next prime is 13431023051029. The reversal of 13431023051020 is 2015032013431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13431023051029) 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, 1244875786 + ... + 1244886574.

It is an arithmetic number, because the mean of its divisors is an integer number (587811847350).

Almost surely, 2^{13431023051020} is an apocalyptic number.

13431023051020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13431023051020 is an abundant number, since it is smaller than the sum of its proper divisors (14783945621780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13431023051020 is a wasteful number, since it uses less digits than its factorization.

13431023051020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26698 (or 26696 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13431023051020 its reverse (2015032013431), we get a palindrome (15446055064451).

The spelling of 13431023051020 in words is "thirteen trillion, four hundred thirty-one billion, twenty-three million, fifty-one thousand, twenty".