321114421 has 4 divisors (see below), whose sum is σ = 338015200. Its totient is φ = 304213644.

The previous prime is 321114407. The next prime is 321114433. The reversal of 321114421 is 124411123.

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 321114421 - 2⁵ = 321114389 is a prime.

It is a super-2 number, since 2×321114421² = 206228942748330482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 16900759 = 321114421 / (3 + 2 + 1 + 1 + 1 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321114821) 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, 8450361 + ... + 8450398.

It is an arithmetic number, because the mean of its divisors is an integer number (84503800).

Almost surely, 2^321114421 is an apocalyptic number.

It is an amenable number.

321114421 is a deficient number, since it is larger than the sum of its proper divisors (16900779).

321114421 is a wasteful number, since it uses less digits than its factorization.

321114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900778.

The product of its digits is 192, while the sum is 19.

The square root of 321114421 is about 17919.6657613919. The cubic root of 321114421 is about 684.7834725084.

Adding to 321114421 its reverse (124411123), we get a palindrome (445525544).

The spelling of 321114421 in words is "three hundred twenty-one million, one hundred fourteen thousand, four hundred twenty-one".