412231321 has 2 divisors, whose sum is σ = 412231322. Its totient is φ = 412231320.

The previous prime is 412231307. The next prime is 412231331. The reversal of 412231321 is 123132214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362331225 + 49900096 = 19035^2 + 7064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412231321 is a prime.

It is not a weakly prime, because it can be changed into another prime (412231331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206115660 + 206115661.

It is an arithmetic number, because the mean of its divisors is an integer number (206115661).

Almost surely, 2^412231321 is an apocalyptic number.

It is an amenable number.

412231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

412231321 is an equidigital number, since it uses as much as digits as its factorization.

412231321 is an evil number, because the sum of its binary digits is even.

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

The square root of 412231321 is about 20303.4805144340. The cubic root of 412231321 is about 744.2411208540.

Adding to 412231321 its reverse (123132214), we get a palindrome (535363535).

The spelling of 412231321 in words is "four hundred twelve million, two hundred thirty-one thousand, three hundred twenty-one".