303242319 has 16 divisors (see below), whose sum is σ = 450131040. Its totient is φ = 201764160.

The previous prime is 303242293. The next prime is 303242333. The reversal of 303242319 is 913242303.

It is a happy number.

303242319 is a `hidden beast` number, since 303 + 2 + 42 + 319 = 666.

It is not a de Polignac number, because 303242319 - 2¹² = 303238223 is a prime.

It is a super-2 number, since 2×303242319² = 183911808064995522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 303242292 and 303242301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303242339) 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 in 15 ways as a sum of consecutive naturals, for example, 3289 + ... + 24845.

It is an arithmetic number, because the mean of its divisors is an integer number (28133190).

Almost surely, 2^303242319 is an apocalyptic number.

303242319 is a deficient number, since it is larger than the sum of its proper divisors (146888721).

303242319 is a wasteful number, since it uses less digits than its factorization.

303242319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22087 (or 22081 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 303242319 is about 17413.8542258743. The cubic root of 303242319 is about 671.8359971273.

The spelling of 303242319 in words is "three hundred three million, two hundred forty-two thousand, three hundred nineteen".