312241 has 2 divisors, whose sum is σ = 312242. Its totient is φ = 312240.

The previous prime is 312233. The next prime is 312251. The reversal of 312241 is 142213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279841 + 32400 = 529^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 312241 - 2³ = 312233 is a prime.

312241 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (312211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156120 + 156121.

It is an arithmetic number, because the mean of its divisors is an integer number (156121).

2³¹²²⁴¹ is an apocalyptic number.

It is an amenable number.

312241 is a deficient number, since it is larger than the sum of its proper divisors (1).

312241 is an equidigital number, since it uses as much as digits as its factorization.

312241 is an odious number, because the sum of its binary digits is odd.

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

The square root of 312241 is about 558.7852897133. The cubic root of 312241 is about 67.8416876555.

Adding to 312241 its reverse (142213), we get a palindrome (454454).

The spelling of 312241 in words is "three hundred twelve thousand, two hundred forty-one", and thus it is an iban number.