13213311103020 has 48 divisors (see below), whose sum is σ = 42282595531008. Its totient is φ = 3020185394880.

The previous prime is 13213311102977. The next prime is 13213311103067. The reversal of 13213311103020 is 2030111331231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 15730131846 + ... + 15730132685.

It is an arithmetic number, because the mean of its divisors is an integer number (880887406896).

Almost surely, 2^{13213311103020} is an apocalyptic number.

13213311103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213311103020 is an abundant number, since it is smaller than the sum of its proper divisors (29069284427988).

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

13213311103020 is a wasteful number, since it uses less digits than its factorization.

13213311103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31460264550 (or 31460264548 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13213311103020 its reverse (2030111331231), we get a palindrome (15243422434251).

The spelling of 13213311103020 in words is "thirteen trillion, two hundred thirteen billion, three hundred eleven million, one hundred three thousand, twenty".