1313013121202 has 8 divisors (see below), whose sum is σ = 1991649116700. Its totient is φ = 649130082304.

The previous prime is 1313013121171. The next prime is 1313013121219. The reversal of 1313013121202 is 2021213103131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1312809516841 + 203604361 = 1145779^2 + 14269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3688238927 + ... + 3688239282.

Almost surely, 2^{1313013121202} is an apocalyptic number.

1313013121202 is a deficient number, since it is larger than the sum of its proper divisors (678635995498).

1313013121202 is an equidigital number, since it uses as much as digits as its factorization.

1313013121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376478300.

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

Adding to 1313013121202 its reverse (2021213103131), we get a palindrome (3334226224333).

The spelling of 1313013121202 in words is "one trillion, three hundred thirteen billion, thirteen million, one hundred twenty-one thousand, two hundred two".