2011431334663 has 2 divisors, whose sum is σ = 2011431334664. Its totient is φ = 2011431334662.

The previous prime is 2011431334637. The next prime is 2011431334667. The reversal of 2011431334663 is 3664331341102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011431334663 - 2²¹ = 2011429237511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011431334667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005715667331 + 1005715667332.

It is an arithmetic number, because the mean of its divisors is an integer number (1005715667332).

Almost surely, 2^{2011431334663} is an apocalyptic number.

2011431334663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011431334663 is an equidigital number, since it uses as much as digits as its factorization.

2011431334663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 2011431334663 its reverse (3664331341102), we get a palindrome (5675762675765).

The spelling of 2011431334663 in words is "two trillion, eleven billion, four hundred thirty-one million, three hundred thirty-four thousand, six hundred sixty-three".