306331140643 has 8 divisors (see below), whose sum is σ = 334322204976. Its totient is φ = 278363872800.

The previous prime is 306331140641. The next prime is 306331140653. The reversal of 306331140643 is 346041133603.

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

It is a cyclic number.

It is not a de Polignac number, because 306331140643 - 2¹ = 306331140641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306331140599 and 306331140608.

It is not an unprimeable number, because it can be changed into a prime (306331140641) 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, 5922196 + ... + 5973697.

It is an arithmetic number, because the mean of its divisors is an integer number (41790275622).

Almost surely, 2^306331140643 is an apocalyptic number.

306331140643 is a deficient number, since it is larger than the sum of its proper divisors (27991064333).

306331140643 is a wasteful number, since it uses less digits than its factorization.

306331140643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11898245.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 306331140643 in words is "three hundred six billion, three hundred thirty-one million, one hundred forty thousand, six hundred forty-three".