321312223233 has 6 divisors (see below), whose sum is σ = 464117655794. Its totient is φ = 214208148816.

The previous prime is 321312223163. The next prime is 321312223277. The reversal of 321312223233 is 332322213123.

321312223233 is a `hidden beast` number, since 3 + 2 + 1 + 312 + 22 + 323 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 231175371249 + 90136851984 = 480807^2 + 300228^2 .

It is not a de Polignac number, because 321312223233 - 2¹³ = 321312215041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321312223197 and 321312223206.

It is not an unprimeable number, because it can be changed into a prime (321312223283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17850679060 + ... + 17850679077.

Almost surely, 2^321312223233 is an apocalyptic number.

It is an amenable number.

321312223233 is a deficient number, since it is larger than the sum of its proper divisors (142805432561).

321312223233 is a wasteful number, since it uses less digits than its factorization.

321312223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35701358143 (or 35701358140 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 321312223233 its reverse (332322213123), we get a palindrome (653634436356).

The spelling of 321312223233 in words is "three hundred twenty-one billion, three hundred twelve million, two hundred twenty-three thousand, two hundred thirty-three".