1123040331 has 24 divisors (see below), whose sum is σ = 1897026560. Its totient is φ = 626811696.

The previous prime is 1123040329. The next prime is 1123040357. The reversal of 1123040331 is 1330403211.

1123040331 is a `hidden beast` number, since 1 + 1 + 230 + 403 + 31 = 666.

It is not a de Polignac number, because 1123040331 - 2¹ = 1123040329 is a prime.

It is a super-2 number, since 2×1123040331² = 2522439170105179122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123048331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204571 + ... + 209988.

Almost surely, 2^1123040331 is an apocalyptic number.

1123040331 is a deficient number, since it is larger than the sum of its proper divisors (773986229).

1123040331 is a wasteful number, since it uses less digits than its factorization.

1123040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414615 (or 414612 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1123040331 is about 33511.7939090106. The cubic root of 1123040331 is about 1039.4376678314.

Adding to 1123040331 its reverse (1330403211), we get a palindrome (2453443542).

The spelling of 1123040331 in words is "one billion, one hundred twenty-three million, forty thousand, three hundred thirty-one".