1318323201 has 24 divisors (see below), whose sum is σ = 1920305376. Its totient is φ = 804061440.

The previous prime is 1318323187. The next prime is 1318323203. The reversal of 1318323201 is 1023238131.

It is not a de Polignac number, because 1318323201 - 2⁷ = 1318323073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1318323203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45786 + ... + 68796.

It is an arithmetic number, because the mean of its divisors is an integer number (80012724).

Almost surely, 2^1318323201 is an apocalyptic number.

It is an amenable number.

1318323201 is a deficient number, since it is larger than the sum of its proper divisors (601982175).

1318323201 is a wasteful number, since it uses less digits than its factorization.

1318323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23153 (or 23140 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1318323201 is about 36308.7207293234. The cubic root of 1318323201 is about 1096.4966228511.

The spelling of 1318323201 in words is "one billion, three hundred eighteen million, three hundred twenty-three thousand, two hundred one".