303242239999 has 4 divisors (see below), whose sum is σ = 304321394160. Its totient is φ = 302163085840.

The previous prime is 303242239981. The next prime is 303242240023. The reversal of 303242239999 is 999932242303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999932242303 = 9013 ⋅110943331.

It is a cyclic number.

It is not a de Polignac number, because 303242239999 - 2¹⁷ = 303242108927 is a prime.

It is a super-2 number, since 2×303242239999² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303242239919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539576659 + ... + 539577220.

It is an arithmetic number, because the mean of its divisors is an integer number (76080348540).

Almost surely, 2^303242239999 is an apocalyptic number.

303242239999 is a deficient number, since it is larger than the sum of its proper divisors (1079154161).

303242239999 is a wasteful number, since it uses less digits than its factorization.

303242239999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079154160.

The product of its (nonzero) digits is 5668704, while the sum is 55.

The spelling of 303242239999 in words is "three hundred three billion, two hundred forty-two million, two hundred thirty-nine thousand, nine hundred ninety-nine".