311230300987 has 2 divisors, whose sum is σ = 311230300988. Its totient is φ = 311230300986.

The previous prime is 311230300967. The next prime is 311230301017. The reversal of 311230300987 is 789003032113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311230300987 - 2⁷ = 311230300859 is a prime.

It is a super-2 number, since 2×311230300987² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311230300967) 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 as a sum of consecutive naturals, namely, 155615150493 + 155615150494.

It is an arithmetic number, because the mean of its divisors is an integer number (155615150494).

Almost surely, 2^311230300987 is an apocalyptic number.

311230300987 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230300987 is an equidigital number, since it uses as much as digits as its factorization.

311230300987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 311230300987 in words is "three hundred eleven billion, two hundred thirty million, three hundred thousand, nine hundred eighty-seven".