1313103032220 has 48 divisors (see below), whose sum is σ = 4201929704448. Its totient is φ = 300137835840.

The previous prime is 1313103032203. The next prime is 1313103032251. The reversal of 1313103032220 is 222303013131.

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

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, 1563217476 + ... + 1563218315.

It is an arithmetic number, because the mean of its divisors is an integer number (87540202176).

Almost surely, 2^{1313103032220} is an apocalyptic number.

1313103032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313103032220 is an abundant number, since it is smaller than the sum of its proper divisors (2888826672228).

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

1313103032220 is a wasteful number, since it uses less digits than its factorization.

1313103032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126435810 (or 3126435808 counting only the distinct ones).

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

Adding to 1313103032220 its reverse (222303013131), we get a palindrome (1535406045351).

The spelling of 1313103032220 in words is "one trillion, three hundred thirteen billion, one hundred three million, thirty-two thousand, two hundred twenty".