1131030344 has 8 divisors (see below), whose sum is σ = 2120681910. Its totient is φ = 565515168.

The previous prime is 1131030311. The next prime is 1131030353. The reversal of 1131030344 is 4430301311.

It can be written as a sum of positive squares in only one way, i.e., 1126407844 + 4622500 = 33562^2 + 2150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 70689389 + ... + 70689404.

Almost surely, 2^1131030344 is an apocalyptic number.

It is an amenable number.

1131030344 is a deficient number, since it is larger than the sum of its proper divisors (989651566).

1131030344 is a wasteful number, since it uses less digits than its factorization.

1131030344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141378799 (or 141378795 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1131030344 is about 33630.7945787785. The cubic root of 1131030344 is about 1041.8969152237.

Adding to 1131030344 its reverse (4430301311), we get a palindrome (5561331655).

The spelling of 1131030344 in words is "one billion, one hundred thirty-one million, thirty thousand, three hundred forty-four".