312211424388 has 24 divisors (see below), whose sum is σ = 760166947008. Its totient is φ = 99545671456.

The previous prime is 312211424387. The next prime is 312211424477. The reversal of 312211424388 is 883424112213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312211424383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565600131 + ... + 565600682.

It is an arithmetic number, because the mean of its divisors is an integer number (31673622792).

Almost surely, 2^312211424388 is an apocalyptic number.

It is an amenable number.

312211424388 is an abundant number, since it is smaller than the sum of its proper divisors (447955522620).

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

312211424388 is a wasteful number, since it uses less digits than its factorization.

312211424388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131200843 (or 1131200841 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The spelling of 312211424388 in words is "three hundred twelve billion, two hundred eleven million, four hundred twenty-four thousand, three hundred eighty-eight".