312343441 has 2 divisors, whose sum is σ = 312343442. Its totient is φ = 312343440.

The previous prime is 312343439. The next prime is 312343457. The reversal of 312343441 is 144343213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266375041 + 45968400 = 16321^2 + 6780^2 .

It is a cyclic number.

It is not a de Polignac number, because 312343441 - 2¹ = 312343439 is a prime.

Together with 312343439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (312343411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156171720 + 156171721.

It is an arithmetic number, because the mean of its divisors is an integer number (156171721).

Almost surely, 2^312343441 is an apocalyptic number.

It is an amenable number.

312343441 is a deficient number, since it is larger than the sum of its proper divisors (1).

312343441 is an equidigital number, since it uses as much as digits as its factorization.

312343441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 312343441 is about 17673.2408176882. The cubic root of 312343441 is about 678.4910608167.

Adding to 312343441 its reverse (144343213), we get a palindrome (456686654).

It can be divided in two parts, 3123 and 43441, that added together give a palindrome (46564).

The spelling of 312343441 in words is "three hundred twelve million, three hundred forty-three thousand, four hundred forty-one".