318102401 has 4 divisors (see below), whose sum is σ = 319717332. Its totient is φ = 316487472.

The previous prime is 318102383. The next prime is 318102403. The reversal of 318102401 is 104201813.

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

It can be written as a sum of positive squares in 2 ways, for example, as 190412401 + 127690000 = 13799^2 + 11300^2 .

It is a cyclic number.

It is not a de Polignac number, because 318102401 - 2¹⁴ = 318086017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318102403) 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, 807170 + ... + 807563.

It is an arithmetic number, because the mean of its divisors is an integer number (79929333).

Almost surely, 2^318102401 is an apocalyptic number.

It is an amenable number.

318102401 is a deficient number, since it is larger than the sum of its proper divisors (1614931).

318102401 is a wasteful number, since it uses less digits than its factorization.

318102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614930.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 318102401 is about 17835.4254504904. The cubic root of 318102401 is about 682.6356770700.

The spelling of 318102401 in words is "three hundred eighteen million, one hundred two thousand, four hundred one".