1010331313220 has 12 divisors (see below), whose sum is σ = 2121695757804. Its totient is φ = 404132525280.

The previous prime is 1010331313219. The next prime is 1010331313231. The reversal of 1010331313220 is 223131330101.

It can be written as a sum of positive squares in 2 ways, for example, as 478971958084 + 531359355136 = 692078^2 + 728944^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 50516565661 = 1010331313220 / (1 + 0 + 1 + 0 + 3 + 3 + 1 + 3 + 1 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1010331313192 and 1010331313201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25258282811 + ... + 25258282850.

It is an arithmetic number, because the mean of its divisors is an integer number (176807979817).

Almost surely, 2^{1010331313220} is an apocalyptic number.

1010331313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010331313220 is an abundant number, since it is smaller than the sum of its proper divisors (1111364444584).

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

1010331313220 is a wasteful number, since it uses less digits than its factorization.

1010331313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50516565670 (or 50516565668 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1010331313220 its reverse (223131330101), we get a palindrome (1233462643321).

The spelling of 1010331313220 in words is "one trillion, ten billion, three hundred thirty-one million, three hundred thirteen thousand, two hundred twenty".