83131383 has 8 divisors (see below), whose sum is σ = 111939696. Its totient is φ = 54872000.

The previous prime is 83131381. The next prime is 83131393. The reversal of 83131383 is 38313138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83131383 - 2¹ = 83131381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83131383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83131381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136878 + ... + 137483.

It is an arithmetic number, because the mean of its divisors is an integer number (13992462).

Almost surely, 2^83131383 is an apocalyptic number.

83131383 is a deficient number, since it is larger than the sum of its proper divisors (28808313).

83131383 is a wasteful number, since it uses less digits than its factorization.

83131383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274465.

The product of its digits is 5184, while the sum is 30.

The square root of 83131383 is about 9117.6413068293. The cubic root of 83131383 is about 436.4371072273.

The spelling of 83131383 in words is "eighty-three million, one hundred thirty-one thousand, three hundred eighty-three".