321226312027 has 4 divisors (see below), whose sum is σ = 322840514800. Its totient is φ = 319612109256.

The previous prime is 321226311971. The next prime is 321226312037. The reversal of 321226312027 is 720213622123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720213622123 = 29 ⋅24834952487.

It is a cyclic number.

It is not a de Polignac number, because 321226312027 - 2²⁷ = 321092094299 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 321226312027.

It is not an unprimeable number, because it can be changed into a prime (321226312037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807101088 + ... + 807101485.

It is an arithmetic number, because the mean of its divisors is an integer number (80710128700).

Almost surely, 2^321226312027 is an apocalyptic number.

321226312027 is a deficient number, since it is larger than the sum of its proper divisors (1614202773).

321226312027 is a wasteful number, since it uses less digits than its factorization.

321226312027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614202772.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 321226312027 in words is "three hundred twenty-one billion, two hundred twenty-six million, three hundred twelve thousand, twenty-seven".