318881542001 has 4 divisors (see below), whose sum is σ = 347870773104. Its totient is φ = 289892310900.

The previous prime is 318881541977. The next prime is 318881542009. The reversal of 318881542001 is 100245188813.

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 318881542001 - 2¹⁰ = 318881540977 is a prime.

It is a super-3 number, since 3×318881542001³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318881542001.

It is not an unprimeable number, because it can be changed into a prime (318881542009) 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, 14494615535 + ... + 14494615556.

It is an arithmetic number, because the mean of its divisors is an integer number (86967693276).

Almost surely, 2^318881542001 is an apocalyptic number.

It is an amenable number.

318881542001 is a deficient number, since it is larger than the sum of its proper divisors (28989231103).

318881542001 is a wasteful number, since it uses less digits than its factorization.

318881542001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28989231102.

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 318881542001 in words is "three hundred eighteen billion, eight hundred eighty-one million, five hundred forty-two thousand, one".