1131130323 has 12 divisors (see below), whose sum is σ = 1656867888. Its totient is φ = 743465520.

The previous prime is 1131130321. The next prime is 1131130337. The reversal of 1131130323 is 3230311311.

It is a happy number.

1131130323 is a `hidden beast` number, since 1 + 1 + 311 + 30 + 323 = 666.

It is not a de Polignac number, because 1131130323 - 2¹ = 1131130321 is a prime.

It is a super-2 number, since 2×1131130323² = 2558911615220168658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131130296 and 1131130305.

It is not an unprimeable number, because it can be changed into a prime (1131130321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884440 + ... + 885717.

It is an arithmetic number, because the mean of its divisors is an integer number (138072324).

Almost surely, 2^1131130323 is an apocalyptic number.

1131130323 is a deficient number, since it is larger than the sum of its proper divisors (525737565).

1131130323 is a wasteful number, since it uses less digits than its factorization.

1131130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770234 (or 1770231 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1131130323 is about 33632.2809663573. The cubic root of 1131130323 is about 1041.9276142947.

Adding to 1131130323 its reverse (3230311311), we get a palindrome (4361441634).

The spelling of 1131130323 in words is "one billion, one hundred thirty-one million, one hundred thirty thousand, three hundred twenty-three".