1000331331011 has 2 divisors, whose sum is σ = 1000331331012. Its totient is φ = 1000331331010.

The previous prime is 1000331330981. The next prime is 1000331331023. The reversal of 1000331331011 is 1101331330001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000331331011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000331331031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500165665505 + 500165665506.

It is an arithmetic number, because the mean of its divisors is an integer number (500165665506).

Almost surely, 2^{1000331331011} is an apocalyptic number.

1000331331011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000331331011 is an equidigital number, since it uses as much as digits as its factorization.

1000331331011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1000331331011 its reverse (1101331330001), we get a palindrome (2101662661012).

The spelling of 1000331331011 in words is "one trillion, three hundred thirty-one million, three hundred thirty-one thousand, eleven".