1153224431 has 2 divisors, whose sum is σ = 1153224432. Its totient is φ = 1153224430.

The previous prime is 1153224409. The next prime is 1153224451. The reversal of 1153224431 is 1344223511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153224431 is a prime.

It is a super-2 number, since 2×1153224431² = 2659853176510547522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1153224431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153224451) 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, 576612215 + 576612216.

It is an arithmetic number, because the mean of its divisors is an integer number (576612216).

Almost surely, 2^1153224431 is an apocalyptic number.

1153224431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153224431 is an equidigital number, since it uses as much as digits as its factorization.

1153224431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 1153224431 is about 33959.1582787324. The cubic root of 1153224431 is about 1048.6678286078.

Adding to 1153224431 its reverse (1344223511), we get a palindrome (2497447942).

The spelling of 1153224431 in words is "one billion, one hundred fifty-three million, two hundred twenty-four thousand, four hundred thirty-one".