306134431643 has 2 divisors, whose sum is σ = 306134431644. Its totient is φ = 306134431642.

The previous prime is 306134431627. The next prime is 306134431717. The reversal of 306134431643 is 346134431603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 306134431643 - 2⁴ = 306134431627 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 306134431597 and 306134431606.

It is not a weakly prime, because it can be changed into another prime (306134431243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153067215821 + 153067215822.

It is an arithmetic number, because the mean of its divisors is an integer number (153067215822).

Almost surely, 2^306134431643 is an apocalyptic number.

306134431643 is a deficient number, since it is larger than the sum of its proper divisors (1).

306134431643 is an equidigital number, since it uses as much as digits as its factorization.

306134431643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 306134431643 in words is "three hundred six billion, one hundred thirty-four million, four hundred thirty-one thousand, six hundred forty-three".