1131322012 has 6 divisors (see below), whose sum is σ = 1979813528. Its totient is φ = 565661004.

The previous prime is 1131321937. The next prime is 1131322033. The reversal of 1131322012 is 2102231311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141415248 + ... + 141415255.

Almost surely, 2^1131322012 is an apocalyptic number.

It is an amenable number.

1131322012 is a deficient number, since it is larger than the sum of its proper divisors (848491516).

1131322012 is a wasteful number, since it uses less digits than its factorization.

1131322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282830507 (or 282830505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131322012 is about 33635.1306226095. The cubic root of 1131322012 is about 1041.9864683386.

Adding to 1131322012 its reverse (2102231311), we get a palindrome (3233553323).

The spelling of 1131322012 in words is "one billion, one hundred thirty-one million, three hundred twenty-two thousand, twelve".