311430302241986 has 32 divisors (see below), whose sum is σ = 472372937298432. Its totient is φ = 153981633899520.

The previous prime is 311430302241979. The next prime is 311430302242001. The reversal of 311430302241986 is 689142203034113.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 311430302241986.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434547635 + ... + 435263721.

It is an arithmetic number, because the mean of its divisors is an integer number (14761654290576).

Almost surely, 2^{311430302241986} is an apocalyptic number.

311430302241986 is a deficient number, since it is larger than the sum of its proper divisors (160942635056446).

311430302241986 is a wasteful number, since it uses less digits than its factorization.

311430302241986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722354.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 311430302241986 in words is "three hundred eleven trillion, four hundred thirty billion, three hundred two million, two hundred forty-one thousand, nine hundred eighty-six".