1131134031 has 16 divisors (see below), whose sum is σ = 1685447520. Its totient is φ = 749727360.

The previous prime is 1131133957. The next prime is 1131134077. The reversal of 1131134031 is 1304311311.

1131134031 is a `hidden beast` number, since 11 + 311 + 340 + 3 + 1 = 666.

It is not a de Polignac number, because 1131134031 - 2¹⁵ = 1131101263 is a prime.

It is a super-2 number, since 2×1131134031² = 2558928392172617922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131133995 and 1131134013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131130031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116410 + ... + 125751.

It is an arithmetic number, because the mean of its divisors is an integer number (105340470).

Almost surely, 2^1131134031 is an apocalyptic number.

1131134031 is a deficient number, since it is larger than the sum of its proper divisors (554313489).

1131134031 is a wasteful number, since it uses less digits than its factorization.

1131134031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242343 (or 242337 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1131134031 is about 33632.3360919220. The cubic root of 1131134031 is about 1041.9287528205.

Adding to 1131134031 its reverse (1304311311), we get a palindrome (2435445342).

The spelling of 1131134031 in words is "one billion, one hundred thirty-one million, one hundred thirty-four thousand, thirty-one".