83333331 has 12 divisors (see below), whose sum is σ = 122642208. Its totient is φ = 54507024.

The previous prime is 83333321. The next prime is 83333333. The reversal of 83333331 is 13333338.

It is not a de Polignac number, because 83333331 - 2⁷ = 83333203 is a prime.

It is a super-2 number, since 2×83333331² = 13888888111111122, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 83333295 and 83333304.

It is not an unprimeable number, because it can be changed into a prime (83333333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86875 + ... + 87828.

It is an arithmetic number, because the mean of its divisors is an integer number (10220184).

Almost surely, 2^83333331 is an apocalyptic number.

83333331 is a deficient number, since it is larger than the sum of its proper divisors (39308877).

83333331 is a wasteful number, since it uses less digits than its factorization.

83333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174762 (or 174759 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

The square root of 83333331 is about 9128.7091639508. The cubic root of 83333331 is about 436.7902282914.

Adding to 83333331 its reverse (13333338), we get a palindrome (96666669).

It can be divided in two parts, 8333 and 3331, that added together give a square (11664 = 108²).

The spelling of 83333331 in words is "eighty-three million, three hundred thirty-three thousand, three hundred thirty-one".