1123130313 has 64 divisors (see below), whose sum is σ = 1821312000. Its totient is φ = 681322752.

The previous prime is 1123130303. The next prime is 1123130363. The reversal of 1123130313 is 3130313211.

It is a happy number.

1123130313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1123130313 - 2¹⁰ = 1123129289 is a prime.

It is a super-2 number, since 2×1123130313² = 2522843399958955938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123130303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1814118 + ... + 1814736.

It is an arithmetic number, because the mean of its divisors is an integer number (28458000).

Almost surely, 2^1123130313 is an apocalyptic number.

It is an amenable number.

1123130313 is a deficient number, since it is larger than the sum of its proper divisors (698181687).

1123130313 is a wasteful number, since it uses less digits than its factorization.

1123130313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 765 counting only the distinct ones).

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

The square root of 1123130313 is about 33513.1364243933. The cubic root of 1123130313 is about 1039.4654282421.

Adding to 1123130313 its reverse (3130313211), we get a palindrome (4253443524).

The spelling of 1123130313 in words is "one billion, one hundred twenty-three million, one hundred thirty thousand, three hundred thirteen".