1131368212 has 24 divisors (see below), whose sum is σ = 2137798656. Its totient is φ = 520797408.

The previous prime is 1131368201. The next prime is 1131368237. The reversal of 1131368212 is 2128631311.

It is a happy number.

It is a super-2 number, since 2×1131368212² = 2559988062248153888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8488 + ... + 48319.

It is an arithmetic number, because the mean of its divisors is an integer number (89074944).

Almost surely, 2^1131368212 is an apocalyptic number.

It is an amenable number.

1131368212 is a deficient number, since it is larger than the sum of its proper divisors (1006430444).

1131368212 is a wasteful number, since it uses less digits than its factorization.

1131368212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57207 (or 57205 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 1131368212 is about 33635.8173975303. The cubic root of 1131368212 is about 1042.0006520750. Note that the first 3 decimals are identical.

Adding to 1131368212 its reverse (2128631311), we get a palindrome (3259999523).

The spelling of 1131368212 in words is "one billion, one hundred thirty-one million, three hundred sixty-eight thousand, two hundred twelve".