321300022055 has 4 divisors (see below), whose sum is σ = 385560026472. Its totient is φ = 257040017640.

The previous prime is 321300022031. The next prime is 321300022067. The reversal of 321300022055 is 550220003123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550220003123 = 7 ⋅78602857589.

It is not a de Polignac number, because 321300022055 - 2¹⁴ = 321300005671 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 321300022055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32130002201 + ... + 32130002210.

It is an arithmetic number, because the mean of its divisors is an integer number (96390006618).

Almost surely, 2^321300022055 is an apocalyptic number.

321300022055 is a deficient number, since it is larger than the sum of its proper divisors (64260004417).

321300022055 is an equidigital number, since it uses as much as digits as its factorization.

321300022055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64260004416.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 321300022055 its reverse (550220003123), we get a palindrome (871520025178).

The spelling of 321300022055 in words is "three hundred twenty-one billion, three hundred million, twenty-two thousand, fifty-five".