1313113013220 has 48 divisors (see below), whose sum is σ = 3836573677440. Its totient is φ = 334938971136.

The previous prime is 1313113013213. The next prime is 1313113013231. The reversal of 1313113013220 is 223103113131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475764205 + ... + 475766964.

It is an arithmetic number, because the mean of its divisors is an integer number (79928618280).

Almost surely, 2^{1313113013220} is an apocalyptic number.

1313113013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313113013220 is an abundant number, since it is smaller than the sum of its proper divisors (2523460664220).

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

1313113013220 is a wasteful number, since it uses less digits than its factorization.

1313113013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951531204 (or 951531202 counting only the distinct ones).

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

Adding to 1313113013220 its reverse (223103113131), we get a palindrome (1536216126351).

The spelling of 1313113013220 in words is "one trillion, three hundred thirteen billion, one hundred thirteen million, thirteen thousand, two hundred twenty".