131063447 has 4 divisors (see below), whose sum is σ = 132536160. Its totient is φ = 129590736.

The previous prime is 131063423. The next prime is 131063467. The reversal of 131063447 is 744360131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131063447 - 2²⁴ = 114286231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131063417) 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, 736223 + ... + 736400.

It is an arithmetic number, because the mean of its divisors is an integer number (33134040).

Almost surely, 2^131063447 is an apocalyptic number.

131063447 is a deficient number, since it is larger than the sum of its proper divisors (1472713).

131063447 is an equidigital number, since it uses as much as digits as its factorization.

131063447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472712.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 131063447 is about 11448.2945018024. The cubic root of 131063447 is about 507.9572873651.

The spelling of 131063447 in words is "one hundred thirty-one million, sixty-three thousand, four hundred forty-seven".