313300345 has 4 divisors (see below), whose sum is σ = 375960420. Its totient is φ = 250640272.

The previous prime is 313300343. The next prime is 313300391. The reversal of 313300345 is 543003313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543003313 = 21817 ⋅24889.

It can be written as a sum of positive squares in 2 ways, for example, as 153859216 + 159441129 = 12404^2 + 12627^2 .

It is a cyclic number.

It is not a de Polignac number, because 313300345 - 2¹ = 313300343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313300343) 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, 31330030 + ... + 31330039.

It is an arithmetic number, because the mean of its divisors is an integer number (93990105).

Almost surely, 2^313300345 is an apocalyptic number.

It is an amenable number.

313300345 is a deficient number, since it is larger than the sum of its proper divisors (62660075).

313300345 is an equidigital number, since it uses as much as digits as its factorization.

313300345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62660074.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 313300345 is about 17700.2922292260. The cubic root of 313300345 is about 679.1832357649.

Adding to 313300345 its reverse (543003313), we get a palindrome (856303658).

The spelling of 313300345 in words is "three hundred thirteen million, three hundred thousand, three hundred forty-five".