83434931 has 2 divisors, whose sum is σ = 83434932. Its totient is φ = 83434930.

The previous prime is 83434873. The next prime is 83434933. The reversal of 83434931 is 13943438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83434931 - 2¹⁰ = 83433907 is a prime.

It is a super-2 number, since 2×83434931² = 13922775421949522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 83434933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83434891 and 83434900.

It is not a weakly prime, because it can be changed into another prime (83434933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41717465 + 41717466.

It is an arithmetic number, because the mean of its divisors is an integer number (41717466).

Almost surely, 2^83434931 is an apocalyptic number.

83434931 is a deficient number, since it is larger than the sum of its proper divisors (1).

83434931 is an equidigital number, since it uses as much as digits as its factorization.

83434931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 83434931 is about 9134.2723300764. The cubic root of 83434931 is about 436.9676677533.

The spelling of 83434931 in words is "eighty-three million, four hundred thirty-four thousand, nine hundred thirty-one".