321224242101313 has 4 divisors (see below), whose sum is σ = 321548383618048. Its totient is φ = 320900100584580.

The previous prime is 321224242101299. The next prime is 321224242101317. The reversal of 321224242101313 is 313101242422123.

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.

It is a cyclic number.

It is not a de Polignac number, because 321224242101313 - 2²⁹ = 321223705230401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321224242101317) 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, 162070756881 + ... + 162070758862.

It is an arithmetic number, because the mean of its divisors is an integer number (80387095904512).

Almost surely, 2^{321224242101313} is an apocalyptic number.

It is an amenable number.

321224242101313 is a deficient number, since it is larger than the sum of its proper divisors (324141516735).

321224242101313 is an equidigital number, since it uses as much as digits as its factorization.

321224242101313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324141516734.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 321224242101313 its reverse (313101242422123), we get a palindrome (634325484523436).

The spelling of 321224242101313 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred forty-two million, one hundred one thousand, three hundred thirteen".