321033232412213 has 4 divisors (see below), whose sum is σ = 321033386873388. Its totient is φ = 321033077951040.

The previous prime is 321033232412209. The next prime is 321033232412257. The reversal of 321033232412213 is 312214232330123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92743101823684 + 228290130588529 = 9630322^2 + 15109273^2 .

It is a cyclic number.

It is not a de Polignac number, because 321033232412213 - 2² = 321033232412209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 321033232412213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321033232415213) 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, 74069858 + ... + 78284163.

It is an arithmetic number, because the mean of its divisors is an integer number (80258346718347).

Almost surely, 2^{321033232412213} is an apocalyptic number.

It is an amenable number.

321033232412213 is a deficient number, since it is larger than the sum of its proper divisors (154461175).

321033232412213 is a wasteful number, since it uses less digits than its factorization.

321033232412213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154461174.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 321033232412213 its reverse (312214232330123), we get a palindrome (633247464742336).

The spelling of 321033232412213 in words is "three hundred twenty-one trillion, thirty-three billion, two hundred thirty-two million, four hundred twelve thousand, two hundred thirteen".