321430331224111 has 4 divisors (see below), whose sum is σ = 321440279887800. Its totient is φ = 321420382560424.

The previous prime is 321430331224091. The next prime is 321430331224129. The reversal of 321430331224111 is 111422133034123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321430331224111 - 2⁴³ = 312634238201903 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 (321430331264111) 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, 4974283381 + ... + 4974347998.

It is an arithmetic number, because the mean of its divisors is an integer number (80360069971950).

Almost surely, 2^{321430331224111} is an apocalyptic number.

321430331224111 is a deficient number, since it is larger than the sum of its proper divisors (9948663689).

321430331224111 is an equidigital number, since it uses as much as digits as its factorization.

321430331224111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9948663688.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 321430331224111 its reverse (111422133034123), we get a palindrome (432852464258234).

The spelling of 321430331224111 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred thirty-one million, two hundred twenty-four thousand, one hundred eleven".