131448344 has 8 divisors (see below), whose sum is σ = 246465660. Its totient is φ = 65724168.

The previous prime is 131448313. The next prime is 131448347. The reversal of 131448344 is 443844131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 131448344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131448347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8215514 + ... + 8215529.

Almost surely, 2^131448344 is an apocalyptic number.

It is an amenable number.

131448344 is a deficient number, since it is larger than the sum of its proper divisors (115017316).

131448344 is a wasteful number, since it uses less digits than its factorization.

131448344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16431049 (or 16431045 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 131448344 is about 11465.0924113153. The cubic root of 131448344 is about 508.4540446347.

The spelling of 131448344 in words is "one hundred thirty-one million, four hundred forty-eight thousand, three hundred forty-four".