1313013021122 has 48 divisors (see below), whose sum is σ = 2314883193336. Its totient is φ = 556155072000.

The previous prime is 1313013021119. The next prime is 1313013021167. The reversal of 1313013021122 is 2211203103131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1284461822281 + 28551198841 = 1133341^2 + 168971^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1313013021094 and 1313013021103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164473 + ... + 1995500.

Almost surely, 2^{1313013021122} is an apocalyptic number.

1313013021122 is a deficient number, since it is larger than the sum of its proper divisors (1001870172214).

1313013021122 is a wasteful number, since it uses less digits than its factorization.

1313013021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160115 (or 3160104 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1313013021122 its reverse (2211203103131), we get a palindrome (3524216124253).

The spelling of 1313013021122 in words is "one trillion, three hundred thirteen billion, thirteen million, twenty-one thousand, one hundred twenty-two".