313105346 has 4 divisors (see below), whose sum is σ = 469658022. Its totient is φ = 156552672.

The previous prime is 313105343. The next prime is 313105349. The reversal of 313105346 is 643501313.

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

It is an interprime number because it is at equal distance from previous prime (313105343) and next prime (313105349).

It can be written as a sum of positive squares in only one way, i.e., 220849321 + 92256025 = 14861^2 + 9605^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313105343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78276335 + ... + 78276338.

Almost surely, 2^313105346 is an apocalyptic number.

313105346 is a deficient number, since it is larger than the sum of its proper divisors (156552676).

313105346 is a wasteful number, since it uses less digits than its factorization.

313105346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156552675.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 313105346 is about 17694.7830164713. The cubic root of 313105346 is about 679.0422980136.

Adding to 313105346 its reverse (643501313), we get a palindrome (956606659).

The spelling of 313105346 in words is "three hundred thirteen million, one hundred five thousand, three hundred forty-six".