13431502503020 has 72 divisors (see below), whose sum is σ = 32816096767440. Its totient is φ = 4604405178240.

The previous prime is 13431502502987. The next prime is 13431502503043. The reversal of 13431502503020 is 2030520513431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5634791 + ... + 7655969.

It is an arithmetic number, because the mean of its divisors is an integer number (455779121770).

Almost surely, 2^{13431502503020} is an apocalyptic number.

13431502503020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13431502503020 is an abundant number, since it is smaller than the sum of its proper divisors (19384594264420).

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

13431502503020 is a wasteful number, since it uses less digits than its factorization.

13431502503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027983 (or 2027974 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13431502503020 in words is "thirteen trillion, four hundred thirty-one billion, five hundred two million, five hundred three thousand, twenty".