131051447 has 8 divisors (see below), whose sum is σ = 140446176. Its totient is φ = 121964832.

The previous prime is 131051443. The next prime is 131051461. The reversal of 131051447 is 744150131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131051447 - 2² = 131051443 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 (131051443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76148 + ... + 77849.

It is an arithmetic number, because the mean of its divisors is an integer number (17555772).

Almost surely, 2^131051447 is an apocalyptic number.

131051447 is a deficient number, since it is larger than the sum of its proper divisors (9394729).

131051447 is a wasteful number, since it uses less digits than its factorization.

131051447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154057.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 131051447 is about 11447.7703942733. The cubic root of 131051447 is about 507.9417842541.

The spelling of 131051447 in words is "one hundred thirty-one million, fifty-one thousand, four hundred forty-seven".