121300000313 has 4 divisors (see below), whose sum is σ = 124258536948. Its totient is φ = 118341463680.

The previous prime is 121300000301. The next prime is 121300000343. The reversal of 121300000313 is 313000003121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20308245049 + 100991755264 = 142507^2 + 317792^2 .

It is a cyclic number.

It is not a de Polignac number, because 121300000313 - 2²⁶ = 121232891449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121300000343) 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 3 ways as a sum of consecutive naturals, for example, 1479268256 + ... + 1479268337.

It is an arithmetic number, because the mean of its divisors is an integer number (31064634237).

Almost surely, 2^121300000313 is an apocalyptic number.

It is an amenable number.

121300000313 is a deficient number, since it is larger than the sum of its proper divisors (2958536635).

121300000313 is an equidigital number, since it uses as much as digits as its factorization.

121300000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958536634.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 121300000313 its reverse (313000003121), we get a palindrome (434300003434).

The spelling of 121300000313 in words is "one hundred twenty-one billion, three hundred million, three hundred thirteen", and thus it is an aban number.