1131330023 has 2 divisors, whose sum is σ = 1131330024. Its totient is φ = 1131330022.

The previous prime is 1131329989. The next prime is 1131330029. The reversal of 1131330023 is 3200331311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131330023 - 2⁶ = 1131329959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131329983 and 1131330010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131330029) 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, 565665011 + 565665012.

It is an arithmetic number, because the mean of its divisors is an integer number (565665012).

Almost surely, 2^1131330023 is an apocalyptic number.

1131330023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131330023 is an equidigital number, since it uses as much as digits as its factorization.

1131330023 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 17.

The square root of 1131330023 is about 33635.2497091965. The cubic root of 1131330023 is about 1041.9889278016.

Adding to 1131330023 its reverse (3200331311), we get a palindrome (4331661334).

The spelling of 1131330023 in words is "one billion, one hundred thirty-one million, three hundred thirty thousand, twenty-three".