312222213023 has 8 divisors (see below), whose sum is σ = 364417416192. Its totient is φ = 261925017336.

The previous prime is 312222213013. The next prime is 312222213031. The reversal of 312222213023 is 320312222213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312222213023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312222213023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222213013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474501515 + ... + 474502172.

It is an arithmetic number, because the mean of its divisors is an integer number (45552177024).

Almost surely, 2^312222213023 is an apocalyptic number.

312222213023 is a deficient number, since it is larger than the sum of its proper divisors (52195203169).

312222213023 is an equidigital number, since it uses as much as digits as its factorization.

312222213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949003741.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312222213023 its reverse (320312222213), we get a palindrome (632534435236).

The spelling of 312222213023 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred thirteen thousand, twenty-three".