1131115342 has 32 divisors (see below), whose sum is σ = 1973804544. Its totient is φ = 476128800.

The previous prime is 1131115327. The next prime is 1131115343. The reversal of 1131115342 is 2435111311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131115343) 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 in 15 ways as a sum of consecutive naturals, for example, 279292 + ... + 283312.

It is an arithmetic number, because the mean of its divisors is an integer number (61681392).

Almost surely, 2^1131115342 is an apocalyptic number.

1131115342 is a deficient number, since it is larger than the sum of its proper divisors (842689202).

1131115342 is a wasteful number, since it uses less digits than its factorization.

1131115342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384.

The product of its digits is 360, while the sum is 22.

The square root of 1131115342 is about 33632.0582480466. The cubic root of 1131115342 is about 1041.9230144161.

Adding to 1131115342 its reverse (2435111311), we get a palindrome (3566226653).

The spelling of 1131115342 in words is "one billion, one hundred thirty-one million, one hundred fifteen thousand, three hundred forty-two".