131443201 has 8 divisors (see below), whose sum is σ = 139281120. Its totient is φ = 123617088.

The previous prime is 131443177. The next prime is 131443211. The reversal of 131443201 is 102344131.

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 131443201 - 2⁷ = 131443073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131443211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31690 + ... + 35596.

It is an arithmetic number, because the mean of its divisors is an integer number (17410140).

Almost surely, 2^131443201 is an apocalyptic number.

It is an amenable number.

131443201 is a deficient number, since it is larger than the sum of its proper divisors (7837919).

131443201 is a wasteful number, since it uses less digits than its factorization.

131443201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131443201 is about 11464.8681196078. The cubic root of 131443201 is about 508.4474133524.

Adding to 131443201 its reverse (102344131), we get a palindrome (233787332).

The spelling of 131443201 in words is "one hundred thirty-one million, four hundred forty-three thousand, two hundred one".