1131533012 has 6 divisors (see below), whose sum is σ = 1980182778. Its totient is φ = 565766504.

The previous prime is 1131533009. The next prime is 1131533027. The reversal of 1131533012 is 2103351311.

It can be written as a sum of positive squares in only one way, i.e., 828633796 + 302899216 = 28786^2 + 17404^2 .

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, 141441623 + ... + 141441630.

It is an arithmetic number, because the mean of its divisors is an integer number (330030463).

Almost surely, 2^1131533012 is an apocalyptic number.

It is an amenable number.

1131533012 is a deficient number, since it is larger than the sum of its proper divisors (848649766).

1131533012 is a wasteful number, since it uses less digits than its factorization.

1131533012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282883257 (or 282883255 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1131533012 is about 33638.2670778386. The cubic root of 1131533012 is about 1042.0512437298.

Adding to 1131533012 its reverse (2103351311), we get a palindrome (3234884323).

The spelling of 1131533012 in words is "one billion, one hundred thirty-one million, five hundred thirty-three thousand, twelve".