313105306 has 4 divisors (see below), whose sum is σ = 469657962. Its totient is φ = 156552652.

The previous prime is 313105277. The next prime is 313105307. The reversal of 313105306 is 603501313.

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

It can be written as a sum of positive squares in only one way, i.e., 271953081 + 41152225 = 16491^2 + 6415^2 .

It is not an unprimeable number, because it can be changed into a prime (313105307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78276325 + ... + 78276328.

Almost surely, 2^313105306 is an apocalyptic number.

313105306 is a deficient number, since it is larger than the sum of its proper divisors (156552656).

313105306 is a wasteful number, since it uses less digits than its factorization.

313105306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156552655.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 313105306 is about 17694.7818861946. The cubic root of 313105306 is about 679.0422690972.

Adding to 313105306 its reverse (603501313), we get a palindrome (916606619).

The spelling of 313105306 in words is "three hundred thirteen million, one hundred five thousand, three hundred six".