321422336261 has 8 divisors (see below), whose sum is σ = 346208120160. Its totient is φ = 296645265072.

The previous prime is 321422336231. The next prime is 321422336281. The reversal of 321422336261 is 162633224123.

It is a happy number.

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

It is not a de Polignac number, because 321422336261 - 2¹⁴ = 321422319877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321422336231) 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, 2101451 + ... + 2249208.

It is an arithmetic number, because the mean of its divisors is an integer number (43276015020).

Almost surely, 2^321422336261 is an apocalyptic number.

It is an amenable number.

321422336261 is a deficient number, since it is larger than the sum of its proper divisors (24785783899).

321422336261 is a wasteful number, since it uses less digits than its factorization.

321422336261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356355.

The product of its digits is 62208, while the sum is 35.

The spelling of 321422336261 in words is "three hundred twenty-one billion, four hundred twenty-two million, three hundred thirty-six thousand, two hundred sixty-one".