318223349 has 8 divisors (see below), whose sum is σ = 330213312. Its totient is φ = 306442080.

The previous prime is 318223337. The next prime is 318223361. The reversal of 318223349 is 943322813.

It is an interprime number because it is at equal distance from previous prime (318223337) and next prime (318223361).

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

It is not a de Polignac number, because 318223349 - 2⁴ = 318223333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318223319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49064 + ... + 55169.

It is an arithmetic number, because the mean of its divisors is an integer number (41276664).

Almost surely, 2^318223349 is an apocalyptic number.

It is an amenable number.

318223349 is a deficient number, since it is larger than the sum of its proper divisors (11989963).

318223349 is a wasteful number, since it uses less digits than its factorization.

318223349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104347.

The product of its digits is 31104, while the sum is 35.

The square root of 318223349 is about 17838.8157958986. The cubic root of 318223349 is about 682.7221827129.

The spelling of 318223349 in words is "three hundred eighteen million, two hundred twenty-three thousand, three hundred forty-nine".