310112122321 has 4 divisors (see below), whose sum is σ = 310733590000. Its totient is φ = 309490654644.

The previous prime is 310112122301. The next prime is 310112122351. The reversal of 310112122321 is 123221211013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 310112122321 - 2⁵ = 310112122289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (310112122301) 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 3 ways as a sum of consecutive naturals, for example, 310733091 + ... + 310734088.

It is an arithmetic number, because the mean of its divisors is an integer number (77683397500).

Almost surely, 2^310112122321 is an apocalyptic number.

It is an amenable number.

310112122321 is a deficient number, since it is larger than the sum of its proper divisors (621467679).

310112122321 is an equidigital number, since it uses as much as digits as its factorization.

310112122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621467678.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 310112122321 its reverse (123221211013), we get a palindrome (433333333334).

The spelling of 310112122321 in words is "three hundred ten billion, one hundred twelve million, one hundred twenty-two thousand, three hundred twenty-one".