311023424212 has 12 divisors (see below), whose sum is σ = 544904629920. Its totient is φ = 155336387096.

The previous prime is 311023424189. The next prime is 311023424219. The reversal of 311023424212 is 212424320113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311023424219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43827262 + ... + 43834357.

It is an arithmetic number, because the mean of its divisors is an integer number (45408719160).

Almost surely, 2^311023424212 is an apocalyptic number.

It is an amenable number.

311023424212 is a deficient number, since it is larger than the sum of its proper divisors (233881205708).

311023424212 is a wasteful number, since it uses less digits than its factorization.

311023424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87662510 (or 87662508 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 311023424212 its reverse (212424320113), we get a palindrome (523447744325).

The spelling of 311023424212 in words is "three hundred eleven billion, twenty-three million, four hundred twenty-four thousand, two hundred twelve".