312221243041 has 16 divisors (see below), whose sum is σ = 332849226240. Its totient is φ = 291850433280.

The previous prime is 312221243021. The next prime is 312221243071. The reversal of 312221243041 is 140342122213.

It is a cyclic number.

It is not a de Polignac number, because 312221243041 - 2²³ = 312212854433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312221242997 and 312221243015.

It is not an unprimeable number, because it can be changed into a prime (312221243021) 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 in 15 ways as a sum of consecutive naturals, for example, 1627315 + ... + 1809031.

It is an arithmetic number, because the mean of its divisors is an integer number (20803076640).

Almost surely, 2^312221243041 is an apocalyptic number.

It is an amenable number.

312221243041 is a deficient number, since it is larger than the sum of its proper divisors (20627983199).

312221243041 is a wasteful number, since it uses less digits than its factorization.

312221243041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182424.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 312221243041 its reverse (140342122213), we get a palindrome (452563365254).

The spelling of 312221243041 in words is "three hundred twelve billion, two hundred twenty-one million, two hundred forty-three thousand, forty-one".