321400241 has 16 divisors (see below), whose sum is σ = 338680320. Its totient is φ = 304637760.

The previous prime is 321400193. The next prime is 321400267. The reversal of 321400241 is 142004123.

It is a cyclic number.

It is not a de Polignac number, because 321400241 - 2¹⁴ = 321383857 is a prime.

It is a super-2 number, since 2×321400241² = 206596229829716162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321000241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731900 + ... + 732338.

It is an arithmetic number, because the mean of its divisors is an integer number (21167520).

Almost surely, 2^321400241 is an apocalyptic number.

It is an amenable number.

321400241 is a deficient number, since it is larger than the sum of its proper divisors (17280079).

321400241 is a wasteful number, since it uses less digits than its factorization.

321400241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 321400241 is about 17927.6390247015. The cubic root of 321400241 is about 684.9865847089.

Adding to 321400241 its reverse (142004123), we get a palindrome (463404364).

The spelling of 321400241 in words is "three hundred twenty-one million, four hundred thousand, two hundred forty-one".