1131352043 has 2 divisors, whose sum is σ = 1131352044. Its totient is φ = 1131352042.

The previous prime is 1131352007. The next prime is 1131352063. The reversal of 1131352043 is 3402531311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131352043 - 2⁸ = 1131351787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131352003) 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, 565676021 + 565676022.

It is an arithmetic number, because the mean of its divisors is an integer number (565676022).

Almost surely, 2^1131352043 is an apocalyptic number.

1131352043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131352043 is an equidigital number, since it uses as much as digits as its factorization.

1131352043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1131352043 is about 33635.5770427683. The cubic root of 1131352043 is about 1041.9956881182.

Adding to 1131352043 its reverse (3402531311), we get a palindrome (4533883354).

The spelling of 1131352043 in words is "one billion, one hundred thirty-one million, three hundred fifty-two thousand, forty-three".