13031013220 has 48 divisors (see below), whose sum is σ = 27701150400. Its totient is φ = 5148696960.

The previous prime is 13031013211. The next prime is 13031013241. The reversal of 13031013220 is 2231013031.

13031013220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13031013194 and 13031013203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712551 + ... + 730609.

It is an arithmetic number, because the mean of its divisors is an integer number (577107300).

Almost surely, 2^13031013220 is an apocalyptic number.

13031013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031013220 is an abundant number, since it is smaller than the sum of its proper divisors (14670137180).

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

13031013220 is a wasteful number, since it uses less digits than its factorization.

13031013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18508 (or 18506 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13031013220 its reverse (2231013031), we get a palindrome (15262026251).

The spelling of 13031013220 in words is "thirteen billion, thirty-one million, thirteen thousand, two hundred twenty".