306204240343 has 8 divisors (see below), whose sum is σ = 320558249088. Its totient is φ = 291936963384.

The previous prime is 306204240313. The next prime is 306204240347. The reversal of 306204240343 is 343042402603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306204240343 is a prime.

It is a super-2 number, since 2×306204240343² (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 (306204240347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21675721 + ... + 21689842.

It is an arithmetic number, because the mean of its divisors is an integer number (40069781136).

Almost surely, 2^306204240343 is an apocalyptic number.

306204240343 is a deficient number, since it is larger than the sum of its proper divisors (14354008745).

306204240343 is a wasteful number, since it uses less digits than its factorization.

306204240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43365893.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 306204240343 its reverse (343042402603), we get a palindrome (649246642946).

The spelling of 306204240343 in words is "three hundred six billion, two hundred four million, two hundred forty thousand, three hundred forty-three".