321434424442013 has 4 divisors (see below), whose sum is σ = 321953704611360. Its totient is φ = 320915144272668.

The previous prime is 321434424441973. The next prime is 321434424442039. The reversal of 321434424442013 is 310244424434123.

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 321434424442013 - 2¹⁰ = 321434424440989 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 (321434424442213) 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, 259640083745 + ... + 259640084982.

It is an arithmetic number, because the mean of its divisors is an integer number (80488426152840).

Almost surely, 2^{321434424442013} is an apocalyptic number.

It is an amenable number.

321434424442013 is a deficient number, since it is larger than the sum of its proper divisors (519280169347).

321434424442013 is an equidigital number, since it uses as much as digits as its factorization.

321434424442013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519280169346.

The product of its (nonzero) digits is 884736, while the sum is 41.

Adding to 321434424442013 its reverse (310244424434123), we get a palindrome (631678848876136).

The spelling of 321434424442013 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, four hundred twenty-four million, four hundred forty-two thousand, thirteen".