313103118749 has 2 divisors, whose sum is σ = 313103118750. Its totient is φ = 313103118748.

The previous prime is 313103118677. The next prime is 313103118767. The reversal of 313103118749 is 947811301313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245272562500 + 67830556249 = 495250^2 + 260443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313103118749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313103118799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156551559374 + 156551559375.

It is an arithmetic number, because the mean of its divisors is an integer number (156551559375).

Almost surely, 2^313103118749 is an apocalyptic number.

It is an amenable number.

313103118749 is a deficient number, since it is larger than the sum of its proper divisors (1).

313103118749 is an equidigital number, since it uses as much as digits as its factorization.

313103118749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 313103118749 in words is "three hundred thirteen billion, one hundred three million, one hundred eighteen thousand, seven hundred forty-nine".