1101163331 has 2 divisors, whose sum is σ = 1101163332. Its totient is φ = 1101163330.

The previous prime is 1101163319. The next prime is 1101163333. The reversal of 1101163331 is 1333611011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101163331 - 2¹⁴ = 1101146947 is a prime.

It is a super-2 number, since 2×1101163331² = 2425121363078031122, which contains 22 as substring.

Together with 1101163333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1101163333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550581665 + 550581666.

It is an arithmetic number, because the mean of its divisors is an integer number (550581666).

Almost surely, 2^1101163331 is an apocalyptic number.

1101163331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101163331 is an equidigital number, since it uses as much as digits as its factorization.

1101163331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1101163331 is about 33183.7811438058. The cubic root of 1101163331 is about 1032.6438913250.

Adding to 1101163331 its reverse (1333611011), we get a palindrome (2434774342).

The spelling of 1101163331 in words is "one billion, one hundred one million, one hundred sixty-three thousand, three hundred thirty-one".