1131030212 has 48 divisors (see below), whose sum is σ = 2162052480. Its totient is φ = 514605312.

The previous prime is 1131030209. The next prime is 1131030217. The reversal of 1131030212 is 2120301311.

It is not an unprimeable number, because it can be changed into a prime (1131030217) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1206608 + ... + 1207544.

It is an arithmetic number, because the mean of its divisors is an integer number (45042760).

Almost surely, 2^1131030212 is an apocalyptic number.

It is an amenable number.

1131030212 is a deficient number, since it is larger than the sum of its proper divisors (1031022268).

1131030212 is a wasteful number, since it uses less digits than its factorization.

1131030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1131030212 is about 33630.7926162914. The cubic root of 1131030212 is about 1041.8968746912.

Adding to 1131030212 its reverse (2120301311), we get a palindrome (3251331523).

The spelling of 1131030212 in words is "one billion, one hundred thirty-one million, thirty thousand, two hundred twelve".