321241043 has 2 divisors, whose sum is σ = 321241044. Its totient is φ = 321241042.

The previous prime is 321241013. The next prime is 321241049. The reversal of 321241043 is 340142123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321241043 - 2⁶ = 321240979 is a prime.

It is not a weakly prime, because it can be changed into another prime (321241049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160620521 + 160620522.

It is an arithmetic number, because the mean of its divisors is an integer number (160620522).

Almost surely, 2^321241043 is an apocalyptic number.

321241043 is a deficient number, since it is larger than the sum of its proper divisors (1).

321241043 is an equidigital number, since it uses as much as digits as its factorization.

321241043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 321241043 is about 17923.1984589805. The cubic root of 321241043 is about 684.8734687347.

Adding to 321241043 its reverse (340142123), we get a palindrome (661383166).

The spelling of 321241043 in words is "three hundred twenty-one million, two hundred forty-one thousand, forty-three".