321430342431243 has 8 divisors (see below), whose sum is σ = 428615516537856. Its totient is φ = 214266031639400.

The previous prime is 321430342431217. The next prime is 321430342431287. The reversal of 321430342431243 is 342134243034123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321430342431243 - 2¹⁸ = 321430342169099 is a prime.

It is a super-2 number, since 2×321430342431243² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321430342431343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215792743 + ... + 5215854368.

It is an arithmetic number, because the mean of its divisors is an integer number (53576939567232).

Almost surely, 2^{321430342431243} is an apocalyptic number.

321430342431243 is a deficient number, since it is larger than the sum of its proper divisors (107185174106613).

321430342431243 is a wasteful number, since it uses less digits than its factorization.

321430342431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431657385.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 321430342431243 its reverse (342134243034123), we get a palindrome (663564585465366).

The spelling of 321430342431243 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred forty-two million, four hundred thirty-one thousand, two hundred forty-three".