83403031 has 2 divisors, whose sum is σ = 83403032. Its totient is φ = 83403030.

The previous prime is 83403029. The next prime is 83403053. The reversal of 83403031 is 13030438.

It is an a-pointer prime, because the next prime (83403053) can be obtained adding 83403031 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83403031 - 2¹ = 83403029 is a prime.

It is a super-2 number, since 2×83403031² = 13912131159973922, which contains 22 as substring.

Together with 83403029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 83402993 and 83403011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83403091) 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 as a sum of consecutive naturals, namely, 41701515 + 41701516.

It is an arithmetic number, because the mean of its divisors is an integer number (41701516).

Almost surely, 2^83403031 is an apocalyptic number.

83403031 is a deficient number, since it is larger than the sum of its proper divisors (1).

83403031 is an equidigital number, since it uses as much as digits as its factorization.

83403031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 83403031 is about 9132.5259922981. The cubic root of 83403031 is about 436.9119714748.

Adding to 83403031 its reverse (13030438), we get a palindrome (96433469).

The spelling of 83403031 in words is "eighty-three million, four hundred three thousand, thirty-one".