13031312032020 has 48 divisors (see below), whose sum is σ = 36488863414080. Its totient is φ = 3474903234816.

The previous prime is 13031312032003. The next prime is 13031312032033. The reversal of 13031312032020 is 2023021313031.

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, 1677265 + ... + 5373624.

It is an arithmetic number, because the mean of its divisors is an integer number (760184654460).

Almost surely, 2^{13031312032020} is an apocalyptic number.

13031312032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031312032020 is an abundant number, since it is smaller than the sum of its proper divisors (23457551382060).

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

13031312032020 is a wasteful number, since it uses less digits than its factorization.

13031312032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081704 (or 7081702 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13031312032020 its reverse (2023021313031), we get a palindrome (15054333345051).

The spelling of 13031312032020 in words is "thirteen trillion, thirty-one billion, three hundred twelve million, thirty-two thousand, twenty".