131047448 has 16 divisors (see below), whose sum is σ = 280816080. Its totient is φ = 56163168.

The previous prime is 131047417. The next prime is 131047457. The reversal of 131047448 is 844740131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170011 + ... + 1170122.

It is an arithmetic number, because the mean of its divisors is an integer number (17551005).

Almost surely, 2^131047448 is an apocalyptic number.

It is an amenable number.

131047448 is an abundant number, since it is smaller than the sum of its proper divisors (149768632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131047448 is a wasteful number, since it uses less digits than its factorization.

131047448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340146 (or 2340142 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 131047448 is about 11447.5957301086. The cubic root of 131047448 is about 507.9366176321.

Adding to 131047448 its reverse (844740131), we get a palindrome (975787579).

The spelling of 131047448 in words is "one hundred thirty-one million, forty-seven thousand, four hundred forty-eight".