311222411412 has 48 divisors (see below), whose sum is σ = 793232932800. Its totient is φ = 94187151360.

The previous prime is 311222411411. The next prime is 311222411447. The reversal of 311222411412 is 214114222113.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311222411411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431487 + ... + 1634502.

It is an arithmetic number, because the mean of its divisors is an integer number (16525686100).

Almost surely, 2^311222411412 is an apocalyptic number.

It is an amenable number.

311222411412 is an abundant number, since it is smaller than the sum of its proper divisors (482010521388).

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

311222411412 is a wasteful number, since it uses less digits than its factorization.

311222411412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066776 (or 3066774 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 311222411412 its reverse (214114222113), we get a palindrome (525336633525).

The spelling of 311222411412 in words is "three hundred eleven billion, two hundred twenty-two million, four hundred eleven thousand, four hundred twelve".