311106522412 has 12 divisors (see below), whose sum is σ = 622213044880. Its totient is φ = 133331366736.

The previous prime is 311106522409. The next prime is 311106522413. The reversal of 311106522412 is 214225601113.

311106522412 is an admirable number.

It is a super-3 number, since 3×311106522412³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 11110947229 = 311106522412 / (3 + 1 + 1 + 1 + 0 + 6 + 5 + 2 + 2 + 4 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (311106522413) 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 3 ways as a sum of consecutive naturals, for example, 5555473587 + ... + 5555473642.

Almost surely, 2^311106522412 is an apocalyptic number.

It is an amenable number.

311106522412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

311106522412 is a wasteful number, since it uses less digits than its factorization.

311106522412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110947240 (or 11110947238 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 311106522412 in words is "three hundred eleven billion, one hundred six million, five hundred twenty-two thousand, four hundred twelve".