131842201 has 4 divisors (see below), whose sum is σ = 132057892. Its totient is φ = 131626512.

The previous prime is 131842169. The next prime is 131842219. The reversal of 131842201 is 102248131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102248131 = 37 ⋅2763463.

It can be written as a sum of positive squares in 2 ways, for example, as 15202201 + 116640000 = 3899^2 + 10800^2 .

It is a cyclic number.

It is not a de Polignac number, because 131842201 - 2⁵ = 131842169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131842261) 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, 106926 + ... + 108151.

It is an arithmetic number, because the mean of its divisors is an integer number (33014473).

Almost surely, 2^131842201 is an apocalyptic number.

It is an amenable number.

131842201 is a deficient number, since it is larger than the sum of its proper divisors (215691).

131842201 is an equidigital number, since it uses as much as digits as its factorization.

131842201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215690.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 131842201 is about 11482.2559194611. The cubic root of 131842201 is about 508.9613630750.

The spelling of 131842201 in words is "one hundred thirty-one million, eight hundred forty-two thousand, two hundred one".