311311232212 has 12 divisors (see below), whose sum is σ = 544800210976. Its totient is φ = 155654029080.

The previous prime is 311311232207. The next prime is 311311232227. The reversal of 311311232212 is 212232113113.

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 3 ways as a sum of consecutive naturals, for example, 119137 + ... + 798007.

Almost surely, 2^311311232212 is an apocalyptic number.

It is an amenable number.

311311232212 is a deficient number, since it is larger than the sum of its proper divisors (233488978764).

311311232212 is a wasteful number, since it uses less digits than its factorization.

311311232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793518 (or 793516 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 311311232212 its reverse (212232113113), we get a palindrome (523543345325).

The spelling of 311311232212 in words is "three hundred eleven billion, three hundred eleven million, two hundred thirty-two thousand, two hundred twelve".