1120223231 has 2 divisors, whose sum is σ = 1120223232. Its totient is φ = 1120223230.

The previous prime is 1120223227. The next prime is 1120223233. The reversal of 1120223231 is 1323220211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120223231 - 2² = 1120223227 is a prime.

It is a super-2 number, since 2×1120223231² = 2509800174544158722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1120223233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120223233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560111615 + 560111616.

It is an arithmetic number, because the mean of its divisors is an integer number (560111616).

Almost surely, 2^1120223231 is an apocalyptic number.

1120223231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120223231 is an equidigital number, since it uses as much as digits as its factorization.

1120223231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1120223231 is about 33469.7360461656. The cubic root of 1120223231 is about 1038.5678113613.

Adding to 1120223231 its reverse (1323220211), we get a palindrome (2443443442).

The spelling of 1120223231 in words is "one billion, one hundred twenty million, two hundred twenty-three thousand, two hundred thirty-one".