131321548 has 6 divisors (see below), whose sum is σ = 229812716. Its totient is φ = 65660772.

The previous prime is 131321537. The next prime is 131321569. The reversal of 131321548 is 845123131.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16415190 + ... + 16415197.

Almost surely, 2^131321548 is an apocalyptic number.

It is an amenable number.

131321548 is a deficient number, since it is larger than the sum of its proper divisors (98491168).

131321548 is a wasteful number, since it uses less digits than its factorization.

131321548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32830391 (or 32830389 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 131321548 is about 11459.5614226723. The cubic root of 131321548 is about 508.2905059204.

Adding to 131321548 its reverse (845123131), we get a palindrome (976444679).

The spelling of 131321548 in words is "one hundred thirty-one million, three hundred twenty-one thousand, five hundred forty-eight".