313103129 has 4 divisors (see below), whose sum is σ = 313138980. Its totient is φ = 313067280.

The previous prime is 313103051. The next prime is 313103137. The reversal of 313103129 is 921301313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 260757904 + 52345225 = 16148^2 + 7235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313103129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313103159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4667 + ... + 25455.

It is an arithmetic number, because the mean of its divisors is an integer number (78284745).

Almost surely, 2^313103129 is an apocalyptic number.

It is an amenable number.

313103129 is a deficient number, since it is larger than the sum of its proper divisors (35851).

313103129 is a wasteful number, since it uses less digits than its factorization.

313103129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35850.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 313103129 is about 17694.7203707773. The cubic root of 313103129 is about 679.0406953152.

The spelling of 313103129 in words is "three hundred thirteen million, one hundred three thousand, one hundred twenty-nine".