311234424312 has 64 divisors (see below), whose sum is σ = 919904716800. Its totient is φ = 85857770880.

The previous prime is 311234424299. The next prime is 311234424329. The reversal of 311234424312 is 213424432113.

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 311234424312.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31936264 + ... + 31946007.

It is an arithmetic number, because the mean of its divisors is an integer number (14373511200).

Almost surely, 2^311234424312 is an apocalyptic number.

It is an amenable number.

311234424312 is an abundant number, since it is smaller than the sum of its proper divisors (608670292488).

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

311234424312 is a wasteful number, since it uses less digits than its factorization.

311234424312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63882316 (or 63882312 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 311234424312 its reverse (213424432113), we get a palindrome (524658856425).

The spelling of 311234424312 in words is "three hundred eleven billion, two hundred thirty-four million, four hundred twenty-four thousand, three hundred twelve".