1113233431 has 2 divisors, whose sum is σ = 1113233432. Its totient is φ = 1113233430.

The previous prime is 1113233383. The next prime is 1113233437. The reversal of 1113233431 is 1343323111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113233431 - 2¹⁷ = 1113102359 is a prime.

It is a super-2 number, since 2×1113233431² = 2478577343792063522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113233437) 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, 556616715 + 556616716.

It is an arithmetic number, because the mean of its divisors is an integer number (556616716).

Almost surely, 2^1113233431 is an apocalyptic number.

1113233431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113233431 is an equidigital number, since it uses as much as digits as its factorization.

1113233431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 1113233431 is about 33365.1529443520. The cubic root of 1113233431 is about 1036.4032033592.

Adding to 1113233431 its reverse (1343323111), we get a palindrome (2456556542).

The spelling of 1113233431 in words is "one billion, one hundred thirteen million, two hundred thirty-three thousand, four hundred thirty-one".