321434424441413 has 4 divisors (see below), whose sum is σ = 321705220082400. Its totient is φ = 321163628800428.

The previous prime is 321434424441367. The next prime is 321434424441421. The reversal of 321434424441413 is 314144424434123.

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 321434424441413 - 2¹⁶ = 321434424375877 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 (321434424641413) 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, 135397818713 + ... + 135397821086.

It is an arithmetic number, because the mean of its divisors is an integer number (80426305020600).

Almost surely, 2^{321434424441413} is an apocalyptic number.

It is an amenable number.

321434424441413 is a deficient number, since it is larger than the sum of its proper divisors (270795640987).

321434424441413 is a wasteful number, since it uses less digits than its factorization.

321434424441413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270795640986.

The product of its digits is 1769472, while the sum is 44.

Adding to 321434424441413 its reverse (314144424434123), we get a palindrome (635578848875536).

The spelling of 321434424441413 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, four hundred twenty-four million, four hundred forty-one thousand, four hundred thirteen".