321224113 has 8 divisors (see below), whose sum is σ = 367822080. Its totient is φ = 274803360.

The previous prime is 321224107. The next prime is 321224119. The reversal of 321224113 is 311422123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (321224107) and next prime (321224119).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321224113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321224119) 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, 40393 + ... + 47686.

It is an arithmetic number, because the mean of its divisors is an integer number (45977760).

Almost surely, 2^321224113 is an apocalyptic number.

It is an amenable number.

321224113 is a deficient number, since it is larger than the sum of its proper divisors (46597967).

321224113 is an equidigital number, since it uses as much as digits as its factorization.

321224113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88607.

The product of its digits is 288, while the sum is 19.

The square root of 321224113 is about 17922.7261598229. The cubic root of 321224113 is about 684.8614371551.

Adding to 321224113 its reverse (311422123), we get a palindrome (632646236).

The spelling of 321224113 in words is "three hundred twenty-one million, two hundred twenty-four thousand, one hundred thirteen".