1313130220121 has 8 divisors (see below), whose sum is σ = 1325530759200. Its totient is φ = 1300743364032.

The previous prime is 1313130220079. The next prime is 1313130220163. The reversal of 1313130220121 is 1210220313131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1313130220079) and next prime (1313130220163).

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

It is a cyclic number.

It is not a de Polignac number, because 1313130220121 - 2¹⁰ = 1313130219097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313130220093 and 1313130220102.

It is not an unprimeable number, because it can be changed into a prime (1313130220421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3227855 + ... + 3611828.

It is an arithmetic number, because the mean of its divisors is an integer number (165691344900).

Almost surely, 2^{1313130220121} is an apocalyptic number.

It is an amenable number.

1313130220121 is a deficient number, since it is larger than the sum of its proper divisors (12400539079).

1313130220121 is a wasteful number, since it uses less digits than its factorization.

1313130220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841495.

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

Adding to 1313130220121 its reverse (1210220313131), we get a palindrome (2523350533252).

The spelling of 1313130220121 in words is "one trillion, three hundred thirteen billion, one hundred thirty million, two hundred twenty thousand, one hundred twenty-one".