321130241 has 4 divisors (see below), whose sum is σ = 324076500. Its totient is φ = 318183984.

The previous prime is 321130223. The next prime is 321130259. The reversal of 321130241 is 142031123.

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

It is an interprime number because it is at equal distance from previous prime (321130223) and next prime (321130259).

It can be written as a sum of positive squares in 2 ways, for example, as 118352641 + 202777600 = 10879^2 + 14240^2 .

It is a cyclic number.

It is not a de Polignac number, because 321130241 - 2²⁶ = 254021377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321130261) 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, 1472966 + ... + 1473183.

It is an arithmetic number, because the mean of its divisors is an integer number (81019125).

Almost surely, 2^321130241 is an apocalyptic number.

It is an amenable number.

321130241 is a deficient number, since it is larger than the sum of its proper divisors (2946259).

321130241 is a wasteful number, since it uses less digits than its factorization.

321130241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946258.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 321130241 is about 17920.1071704385. The cubic root of 321130241 is about 684.7947178215.

Adding to 321130241 its reverse (142031123), we get a palindrome (463161364).

The spelling of 321130241 in words is "three hundred twenty-one million, one hundred thirty thousand, two hundred forty-one".