231303419 has 2 divisors, whose sum is σ = 231303420. Its totient is φ = 231303418.

The previous prime is 231303383. The next prime is 231303439. The reversal of 231303419 is 914303132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231303419 - 2¹² = 231299323 is a prime.

It is a super-2 number, since 2×231303419² = 107002543282179122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231303439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651709 + 115651710.

It is an arithmetic number, because the mean of its divisors is an integer number (115651710).

Almost surely, 2^231303419 is an apocalyptic number.

231303419 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303419 is an equidigital number, since it uses as much as digits as its factorization.

231303419 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 26.

The square root of 231303419 is about 15208.6626302249. The cubic root of 231303419 is about 613.8477723180.

The spelling of 231303419 in words is "two hundred thirty-one million, three hundred three thousand, four hundred nineteen".