306855686101 has 2 divisors, whose sum is σ = 306855686102. Its totient is φ = 306855686100.

The previous prime is 306855686051. The next prime is 306855686117. The reversal of 306855686101 is 101686558603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288610700625 + 18244985476 = 537225^2 + 135074^2 .

It is a cyclic number.

It is not a de Polignac number, because 306855686101 - 2⁹ = 306855685589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306855686201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153427843050 + 153427843051.

It is an arithmetic number, because the mean of its divisors is an integer number (153427843051).

Almost surely, 2^306855686101 is an apocalyptic number.

It is an amenable number.

306855686101 is a deficient number, since it is larger than the sum of its proper divisors (1).

306855686101 is an equidigital number, since it uses as much as digits as its factorization.

306855686101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 306855686101 in words is "three hundred six billion, eight hundred fifty-five million, six hundred eighty-six thousand, one hundred one".