994320311 has 2 divisors, whose sum is σ = 994320312. Its totient is φ = 994320310.

The previous prime is 994320289. The next prime is 994320343. The reversal of 994320311 is 113023499.

It is an a-pointer prime, because the next prime (994320343) can be obtained adding 994320311 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 994320311 - 2²⁶ = 927211447 is a prime.

It is a Sophie Germain prime.

It is equal to p_50573327 and since 994320311 and 50573327 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994320611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497160155 + 497160156.

It is an arithmetic number, because the mean of its divisors is an integer number (497160156).

Almost surely, 2^994320311 is an apocalyptic number.

994320311 is a deficient number, since it is larger than the sum of its proper divisors (1).

994320311 is an equidigital number, since it uses as much as digits as its factorization.

994320311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 994320311 is about 31532.8449556966. The cubic root of 994320311 is about 998.1031746619.

The spelling of 994320311 in words is "nine hundred ninety-four million, three hundred twenty thousand, three hundred eleven".