311273411412 has 12 divisors (see below), whose sum is σ = 726304626656. Its totient is φ = 103757803800.

The previous prime is 311273411401. The next prime is 311273411417. The reversal of 311273411412 is 214114372113.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×311273411412² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311273411412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311273411417) 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, 12969725464 + ... + 12969725487.

Almost surely, 2^311273411412 is an apocalyptic number.

It is an amenable number.

311273411412 is an abundant number, since it is smaller than the sum of its proper divisors (415031215244).

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

311273411412 is a wasteful number, since it uses less digits than its factorization.

311273411412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25939450958 (or 25939450956 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

Adding to 311273411412 its reverse (214114372113), we get a palindrome (525387783525).

The spelling of 311273411412 in words is "three hundred eleven billion, two hundred seventy-three million, four hundred eleven thousand, four hundred twelve".