306343077131 has 32 divisors (see below), whose sum is σ = 397109045760. Its totient is φ = 229492901376.

The previous prime is 306343077043. The next prime is 306343077137. The reversal of 306343077131 is 131770343603.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 306343077131 - 2²² = 306338882827 is a prime.

It is a super-2 number, since 2×306343077131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (306343077137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3022580 + ... + 3122286.

It is an arithmetic number, because the mean of its divisors is an integer number (12409657680).

Almost surely, 2^306343077131 is an apocalyptic number.

306343077131 is a deficient number, since it is larger than the sum of its proper divisors (90765968629).

306343077131 is a wasteful number, since it uses less digits than its factorization.

306343077131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101523.

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 306343077131 in words is "three hundred six billion, three hundred forty-three million, seventy-seven thousand, one hundred thirty-one".