83131248 has 40 divisors (see below), whose sum is σ = 216739600. Its totient is φ = 27454464.

The previous prime is 83131229. The next prime is 83131249. The reversal of 83131248 is 84213138.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83131249) 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, 2713 + ... + 13176.

It is an arithmetic number, because the mean of its divisors is an integer number (5418490).

Almost surely, 2^83131248 is an apocalyptic number.

It is an amenable number.

83131248 is an abundant number, since it is smaller than the sum of its proper divisors (133608352).

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

83131248 is a wasteful number, since it uses less digits than its factorization.

83131248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16009 (or 16003 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 83131248 is about 9117.6339035958. The cubic root of 83131248 is about 436.4368709786.

The spelling of 83131248 in words is "eighty-three million, one hundred thirty-one thousand, two hundred forty-eight".