331248011 has 2 divisors, whose sum is σ = 331248012. Its totient is φ = 331248010.

The previous prime is 331247999. The next prime is 331248017. The reversal of 331248011 is 110842133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331248011 - 2¹⁰ = 331246987 is a prime.

It is a super-2 number, since 2×331248011² = 219450489582912242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (331248017) 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, 165624005 + 165624006.

It is an arithmetic number, because the mean of its divisors is an integer number (165624006).

Almost surely, 2^331248011 is an apocalyptic number.

331248011 is a deficient number, since it is larger than the sum of its proper divisors (1).

331248011 is an equidigital number, since it uses as much as digits as its factorization.

331248011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 331248011 is about 18200.2200810869. The cubic root of 331248011 is about 691.9123669476.

The spelling of 331248011 in words is "three hundred thirty-one million, two hundred forty-eight thousand, eleven".