173131201 has 8 divisors (see below), whose sum is σ = 177398144. Its totient is φ = 168875280.

The previous prime is 173131183. The next prime is 173131223. The reversal of 173131201 is 102131371.

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 173131201 - 2⁵ = 173131169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173131291) 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, 35416 + ... + 40006.

It is an arithmetic number, because the mean of its divisors is an integer number (22174768).

Almost surely, 2^173131201 is an apocalyptic number.

It is an amenable number.

173131201 is a deficient number, since it is larger than the sum of its proper divisors (4266943).

173131201 is an equidigital number, since it uses as much as digits as its factorization.

173131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 173131201 is about 13157.9330063654. The cubic root of 173131201 is about 557.3462891404.

Adding to 173131201 its reverse (102131371), we get a palindrome (275262572).

The spelling of 173131201 in words is "one hundred seventy-three million, one hundred thirty-one thousand, two hundred one".