306331706 has 4 divisors (see below), whose sum is σ = 459497562. Its totient is φ = 153165852.

The previous prime is 306331703. The next prime is 306331709. The reversal of 306331706 is 607133603.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (306331703) and next prime (306331709).

It can be written as a sum of positive squares in only one way, i.e., 175801081 + 130530625 = 13259^2 + 11425^2 .

It is a super-2 number, since 2×306331706² = 187678228201740872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (306331703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76582925 + ... + 76582928.

Almost surely, 2^306331706 is an apocalyptic number.

306331706 is a deficient number, since it is larger than the sum of its proper divisors (153165856).

306331706 is a wasteful number, since it uses less digits than its factorization.

306331706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153165855.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 306331706 is about 17502.3343014582. The cubic root of 306331706 is about 674.1098140155.

The spelling of 306331706 in words is "three hundred six million, three hundred thirty-one thousand, seven hundred six".