990024311 has 2 divisors, whose sum is σ = 990024312. Its totient is φ = 990024310.

The previous prime is 990024283. The next prime is 990024319. The reversal of 990024311 is 113420099.

It is a happy number.

990024311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-990024311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990024319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495012155 + 495012156.

It is an arithmetic number, because the mean of its divisors is an integer number (495012156).

Almost surely, 2^990024311 is an apocalyptic number.

990024311 is a deficient number, since it is larger than the sum of its proper divisors (1).

990024311 is an equidigital number, since it uses as much as digits as its factorization.

990024311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 990024311 is about 31464.6517698830. The cubic root of 990024311 is about 996.6636514912.

The spelling of 990024311 in words is "nine hundred ninety million, twenty-four thousand, three hundred eleven".