83240131 has 12 divisors (see below), whose sum is σ = 91802928. Its totient is φ = 75028464.

The previous prime is 83240111. The next prime is 83240137. The reversal of 83240131 is 13104238.

It is not a de Polignac number, because 83240131 - 2⁵ = 83240099 is a prime.

It is a super-2 number, since 2×83240131² = 13857838817794322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83240137) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22306 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (7650244).

Almost surely, 2^83240131 is an apocalyptic number.

83240131 is a deficient number, since it is larger than the sum of its proper divisors (8562797).

83240131 is a wasteful number, since it uses less digits than its factorization.

83240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 83240131 is about 9123.6029615498. The cubic root of 83240131 is about 436.6273321470.

Adding to 83240131 its reverse (13104238), we get a palindrome (96344369).

The spelling of 83240131 in words is "eighty-three million, two hundred forty thousand, one hundred thirty-one".