311313312126 has 12 divisors (see below), whose sum is σ = 674512176312. Its totient is φ = 103771104036.

The previous prime is 311313312067. The next prime is 311313312143. The reversal of 311313312126 is 621213313113.

311313312126 is a `hidden beast` number, since 3 + 11 + 313 + 312 + 1 + 26 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 311313312126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8647591986 + ... + 8647592021.

It is an arithmetic number, because the mean of its divisors is an integer number (56209348026).

Almost surely, 2^311313312126 is an apocalyptic number.

311313312126 is an abundant number, since it is smaller than the sum of its proper divisors (363198864186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311313312126 is a wasteful number, since it uses less digits than its factorization.

311313312126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17295184015 (or 17295184012 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 311313312126 its reverse (621213313113), we get a palindrome (932526625239).

The spelling of 311313312126 in words is "three hundred eleven billion, three hundred thirteen million, three hundred twelve thousand, one hundred twenty-six".