1123313130 has 64 divisors (see below), whose sum is σ = 2998800000. Its totient is φ = 299220480.

The previous prime is 1123313129. The next prime is 1123313143. The reversal of 1123313130 is 313133211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335565 + ... + 338895.

It is an arithmetic number, because the mean of its divisors is an integer number (46856250).

Almost surely, 2^1123313130 is an apocalyptic number.

1123313130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123313130 is an abundant number, since it is smaller than the sum of its proper divisors (1875486870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123313130 is a wasteful number, since it uses less digits than its factorization.

1123313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596 (or 4590 counting only the distinct ones).

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

The square root of 1123313130 is about 33515.8638557922. The cubic root of 1123313130 is about 1039.5218246783.

Adding to 1123313130 its reverse (313133211), we get a palindrome (1436446341).

The spelling of 1123313130 in words is "one billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred thirty".