313102121030113 has 4 divisors (see below), whose sum is σ = 313190542982548. Its totient is φ = 313013699077680.

The previous prime is 313102121030071. The next prime is 313102121030173. The reversal of 313102121030113 is 311030121201313.

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 211943021577169 + 101159099452944 = 14558263^2 + 10057788^2 .

It is a cyclic number.

It is not a de Polignac number, because 313102121030113 - 2⁴⁵ = 277917748941281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313102121030173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44210970906 + ... + 44210977987.

It is an arithmetic number, because the mean of its divisors is an integer number (78297635745637).

Almost surely, 2^{313102121030113} is an apocalyptic number.

It is an amenable number.

313102121030113 is a deficient number, since it is larger than the sum of its proper divisors (88421952435).

313102121030113 is an equidigital number, since it uses as much as digits as its factorization.

313102121030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88421952434.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 313102121030113 its reverse (311030121201313), we get a palindrome (624132242231426).

The spelling of 313102121030113 in words is "three hundred thirteen trillion, one hundred two billion, one hundred twenty-one million, thirty thousand, one hundred thirteen".