304422031 has 2 divisors, whose sum is σ = 304422032. Its totient is φ = 304422030.

The previous prime is 304422029. The next prime is 304422073. The reversal of 304422031 is 130224403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 304422031 - 2¹ = 304422029 is a prime.

It is a super-2 number, since 2×304422031² = 185345545916329922, which contains 22 as substring.

Together with 304422029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304422011) 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, 152211015 + 152211016.

It is an arithmetic number, because the mean of its divisors is an integer number (152211016).

Almost surely, 2^304422031 is an apocalyptic number.

304422031 is a deficient number, since it is larger than the sum of its proper divisors (1).

304422031 is an equidigital number, since it uses as much as digits as its factorization.

304422031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 304422031 is about 17447.6941456457. The cubic root of 304422031 is about 672.7060905194.

Adding to 304422031 its reverse (130224403), we get a palindrome (434646434).

The spelling of 304422031 in words is "three hundred four million, four hundred twenty-two thousand, thirty-one".