83142211 has 2 divisors, whose sum is σ = 83142212. Its totient is φ = 83142210.

The previous prime is 83142209. The next prime is 83142221. The reversal of 83142211 is 11224138.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83142211 - 2¹ = 83142209 is a prime.

Together with 83142209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83142221) 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, 41571105 + 41571106.

It is an arithmetic number, because the mean of its divisors is an integer number (41571106).

Almost surely, 2^83142211 is an apocalyptic number.

83142211 is a deficient number, since it is larger than the sum of its proper divisors (1).

83142211 is an equidigital number, since it uses as much as digits as its factorization.

83142211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 83142211 is about 9118.2350814179. The cubic root of 83142211 is about 436.4560552894.

Adding to 83142211 its reverse (11224138), we get a palindrome (94366349).

The spelling of 83142211 in words is "eighty-three million, one hundred forty-two thousand, two hundred eleven".