83630311 has 2 divisors, whose sum is σ = 83630312. Its totient is φ = 83630310.

The previous prime is 83630303. The next prime is 83630401. The reversal of 83630311 is 11303638.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83630311 - 2³ = 83630303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83637311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41815155 + 41815156.

It is an arithmetic number, because the mean of its divisors is an integer number (41815156).

Almost surely, 2^83630311 is an apocalyptic number.

83630311 is a deficient number, since it is larger than the sum of its proper divisors (1).

83630311 is an equidigital number, since it uses as much as digits as its factorization.

83630311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 83630311 is about 9144.9609621911. The cubic root of 83630311 is about 437.3084849931.

Adding to 83630311 its reverse (11303638), we get a palindrome (94933949).

The spelling of 83630311 in words is "eighty-three million, six hundred thirty thousand, three hundred eleven".