1331314311011 has 2 divisors, whose sum is σ = 1331314311012. Its totient is φ = 1331314311010.

The previous prime is 1331314310987. The next prime is 1331314311023. The reversal of 1331314311011 is 1101134131331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331314311011 - 2²² = 1331310116707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331314311311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665657155505 + 665657155506.

It is an arithmetic number, because the mean of its divisors is an integer number (665657155506).

Almost surely, 2^{1331314311011} is an apocalyptic number.

1331314311011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331314311011 is an equidigital number, since it uses as much as digits as its factorization.

1331314311011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 1331314311011 its reverse (1101134131331), we get a palindrome (2432448442342).

The spelling of 1331314311011 in words is "one trillion, three hundred thirty-one billion, three hundred fourteen million, three hundred eleven thousand, eleven".