131442201 has 24 divisors (see below), whose sum is σ = 213807360. Its totient is φ = 77090400.

The previous prime is 131442197. The next prime is 131442253. The reversal of 131442201 is 102244131.

It is not a de Polignac number, because 131442201 - 2² = 131442197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131442281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18346 + ... + 24483.

It is an arithmetic number, because the mean of its divisors is an integer number (8908640).

Almost surely, 2^131442201 is an apocalyptic number.

131442201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131442201 is a deficient number, since it is larger than the sum of its proper divisors (82365159).

131442201 is a wasteful number, since it uses less digits than its factorization.

131442201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42877 (or 42874 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 131442201 is about 11464.8245080333. The cubic root of 131442201 is about 508.4461239521.

Adding to 131442201 its reverse (102244131), we get a palindrome (233686332).

The spelling of 131442201 in words is "one hundred thirty-one million, four hundred forty-two thousand, two hundred one".