313103113 has 4 divisors (see below), whose sum is σ = 317513088. Its totient is φ = 308693140.

The previous prime is 313103051. The next prime is 313103137. The reversal of 313103113 is 311301313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311301313 = 37 ⋅8413549.

It is a cyclic number.

It is not a de Polignac number, because 313103113 - 2¹⁷ = 312972041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313100113) 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, 2204881 + ... + 2205022.

It is an arithmetic number, because the mean of its divisors is an integer number (79378272).

Almost surely, 2^313103113 is an apocalyptic number.

It is an amenable number.

313103113 is a deficient number, since it is larger than the sum of its proper divisors (4409975).

313103113 is an equidigital number, since it uses as much as digits as its factorization.

313103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409974.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 313103113 is about 17694.7199186650. The cubic root of 313103113 is about 679.0406837486.

Adding to 313103113 its reverse (311301313), we get a palindrome (624404426).

The spelling of 313103113 in words is "three hundred thirteen million, one hundred three thousand, one hundred thirteen".