312233031222 has 24 divisors (see below), whose sum is σ = 726419705976. Its totient is φ = 89209437408.

The previous prime is 312233031197. The next prime is 312233031223. The reversal of 312233031222 is 222130332213.

It is a junction number, because it is equal to n+sod(n) for n = 312233031192 and 312233031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233031223) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 531008263 + ... + 531008850.

It is an arithmetic number, because the mean of its divisors is an integer number (30267487749).

Almost surely, 2^312233031222 is an apocalyptic number.

312233031222 is an abundant number, since it is smaller than the sum of its proper divisors (414186674754).

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

312233031222 is a wasteful number, since it uses less digits than its factorization.

312233031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062017132 (or 1062017125 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312233031222 its reverse (222130332213), we get a palindrome (534363363435).

The spelling of 312233031222 in words is "three hundred twelve billion, two hundred thirty-three million, thirty-one thousand, two hundred twenty-two".