313205245 has 8 divisors (see below), whose sum is σ = 387970560. Its totient is φ = 242481360.

The previous prime is 313205239. The next prime is 313205261. The reversal of 313205245 is 542502313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313205245 - 2¹¹ = 313203197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010185 + ... + 1010494.

It is an arithmetic number, because the mean of its divisors is an integer number (48496320).

Almost surely, 2^313205245 is an apocalyptic number.

It is an amenable number.

313205245 is a deficient number, since it is larger than the sum of its proper divisors (74765315).

313205245 is a wasteful number, since it uses less digits than its factorization.

313205245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020715.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 313205245 is about 17697.6056290109. The cubic root of 313205245 is about 679.1145084631.

Adding to 313205245 its reverse (542502313), we get a palindrome (855707558).

The spelling of 313205245 in words is "three hundred thirteen million, two hundred five thousand, two hundred forty-five".