311312222002232 has 32 divisors (see below), whose sum is σ = 636966281314800. Its totient is φ = 141463048396800.

The previous prime is 311312222002219. The next prime is 311312222002253. The reversal of 311312222002232 is 232200222213113.

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 7 ways as a sum of consecutive naturals, for example, 531043619 + ... + 531629522.

Almost surely, 2^{311312222002232} is an apocalyptic number.

It is an amenable number.

311312222002232 is an abundant number, since it is smaller than the sum of its proper divisors (325654059312568).

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

311312222002232 is a wasteful number, since it uses less digits than its factorization.

311312222002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062676487 (or 1062676483 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 311312222002232 its reverse (232200222213113), we get a palindrome (543512444215345).

The spelling of 311312222002232 in words is "three hundred eleven trillion, three hundred twelve billion, two hundred twenty-two million, two thousand, two hundred thirty-two".