321301442213 has 4 divisors (see below), whose sum is σ = 323612963520. Its totient is φ = 318989920908.

The previous prime is 321301442201. The next prime is 321301442257. The reversal of 321301442213 is 312244103123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312244103123 = 3739 ⋅83510057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321301442213 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 (321301442113) 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, 1155760445 + ... + 1155760722.

It is an arithmetic number, because the mean of its divisors is an integer number (80903240880).

Almost surely, 2^321301442213 is an apocalyptic number.

It is an amenable number.

321301442213 is a deficient number, since it is larger than the sum of its proper divisors (2311521307).

321301442213 is a wasteful number, since it uses less digits than its factorization.

321301442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311521306.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321301442213 its reverse (312244103123), we get a palindrome (633545545336).

The spelling of 321301442213 in words is "three hundred twenty-one billion, three hundred one million, four hundred forty-two thousand, two hundred thirteen".