131450227 has 4 divisors (see below), whose sum is σ = 138368680. Its totient is φ = 124531776.

The previous prime is 131450201. The next prime is 131450237. The reversal of 131450227 is 722054131.

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: 722054131 = 19 ⋅38002849.

It is a de Polignac number, because none of the positive numbers 2^k-131450227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131450237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459198 + ... + 3459235.

It is an arithmetic number, because the mean of its divisors is an integer number (34592170).

Almost surely, 2^131450227 is an apocalyptic number.

131450227 is a deficient number, since it is larger than the sum of its proper divisors (6918453).

131450227 is an equidigital number, since it uses as much as digits as its factorization.

131450227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918452.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 131450227 is about 11465.1745298534. The cubic root of 131450227 is about 508.4564724944.

The spelling of 131450227 in words is "one hundred thirty-one million, four hundred fifty thousand, two hundred twenty-seven".