1133204431 has 2 divisors, whose sum is σ = 1133204432. Its totient is φ = 1133204430.

The previous prime is 1133204417. The next prime is 1133204447. The reversal of 1133204431 is 1344023311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133204431 is a prime.

It is a super-2 number, since 2×1133204431² = 2568304564876067522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133204461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566602215 + 566602216.

It is an arithmetic number, because the mean of its divisors is an integer number (566602216).

Almost surely, 2^1133204431 is an apocalyptic number.

1133204431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133204431 is an equidigital number, since it uses as much as digits as its factorization.

1133204431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1133204431 is about 33663.1019218372. The cubic root of 1133204431 is about 1042.5640723022.

Adding to 1133204431 its reverse (1344023311), we get a palindrome (2477227742).

The spelling of 1133204431 in words is "one billion, one hundred thirty-three million, two hundred four thousand, four hundred thirty-one".