318373349 has 4 divisors (see below), whose sum is σ = 363855264. Its totient is φ = 272891436.

The previous prime is 318373313. The next prime is 318373351. The reversal of 318373349 is 943373813.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 318373349 - 2¹² = 318369253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318373369) 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, 22740947 + ... + 22740960.

It is an arithmetic number, because the mean of its divisors is an integer number (90963816).

Almost surely, 2^318373349 is an apocalyptic number.

It is an amenable number.

318373349 is a deficient number, since it is larger than the sum of its proper divisors (45481915).

318373349 is an equidigital number, since it uses as much as digits as its factorization.

318373349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45481914.

The product of its digits is 163296, while the sum is 41.

The square root of 318373349 is about 17843.0196155247. The cubic root of 318373349 is about 682.8294367755.

The spelling of 318373349 in words is "three hundred eighteen million, three hundred seventy-three thousand, three hundred forty-nine".