131110201 has 4 divisors (see below), whose sum is σ = 131481972. Its totient is φ = 130738432.

The previous prime is 131110193. The next prime is 131110211. The reversal of 131110201 is 102011131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102011131 = 197 ⋅517823.

It can be written as a sum of positive squares in 2 ways, for example, as 70644025 + 60466176 = 8405^2 + 7776^2 .

It is a cyclic number.

It is not a de Polignac number, because 131110201 - 2³ = 131110193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131110211) 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, 185356 + ... + 186061.

It is an arithmetic number, because the mean of its divisors is an integer number (32870493).

Almost surely, 2^131110201 is an apocalyptic number.

It is an amenable number.

131110201 is a deficient number, since it is larger than the sum of its proper divisors (371771).

131110201 is an equidigital number, since it uses as much as digits as its factorization.

131110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371770.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 131110201 is about 11450.3362832713. The cubic root of 131110201 is about 508.0176810450.

Adding to 131110201 its reverse (102011131), we get a palindrome (233121332).

The spelling of 131110201 in words is "one hundred thirty-one million, one hundred ten thousand, two hundred one".