18071431201 has 8 divisors (see below), whose sum is σ = 18102672224. Its totient is φ = 18040216320.

The previous prime is 18071431199. The next prime is 18071431211. The reversal of 18071431201 is 10213417081.

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

It is a cyclic number.

It is not a de Polignac number, because 18071431201 - 2¹ = 18071431199 is a prime.

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 18071431201.

It is not an unprimeable number, because it can be changed into a prime (18071431211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770625 + ... + 1780801.

It is an arithmetic number, because the mean of its divisors is an integer number (2262834028).

Almost surely, 2^18071431201 is an apocalyptic number.

It is an amenable number.

18071431201 is a deficient number, since it is larger than the sum of its proper divisors (31241023).

18071431201 is a wasteful number, since it uses less digits than its factorization.

18071431201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 18071431201 its reverse (10213417081), we get a palindrome (28284848282).

The spelling of 18071431201 in words is "eighteen billion, seventy-one million, four hundred thirty-one thousand, two hundred one".