321002041 has 8 divisors (see below), whose sum is σ = 340286184. Its totient is φ = 301762560.

The previous prime is 321002023. The next prime is 321002051. The reversal of 321002041 is 140200123.

It can be written as a sum of positive squares in 4 ways, for example, as 3984016 + 317018025 = 1996^2 + 17805^2 .

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 321002041 - 2¹⁵ = 320969273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321002051) 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, 4261 + ... + 25693.

It is an arithmetic number, because the mean of its divisors is an integer number (42535773).

Almost surely, 2^321002041 is an apocalyptic number.

It is an amenable number.

321002041 is a deficient number, since it is larger than the sum of its proper divisors (19284143).

321002041 is a wasteful number, since it uses less digits than its factorization.

321002041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22331.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 321002041 is about 17916.5298258340. The cubic root of 321002041 is about 684.7035789245.

Adding to 321002041 its reverse (140200123), we get a palindrome (461202164).

The spelling of 321002041 in words is "three hundred twenty-one million, two thousand, forty-one".