1123131300 has 72 divisors (see below), whose sum is σ = 3337453056. Its totient is φ = 291404160.

The previous prime is 1123131293. The next prime is 1123131311. The reversal of 1123131300 is 31313211.

1123131300 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1123131300² = 2522847834079380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1123131300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39492 + ... + 61691.

Almost surely, 2^1123131300 is an apocalyptic number.

1123131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123131300 is an abundant number, since it is smaller than the sum of its proper divisors (2214321756).

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

1123131300 is a wasteful number, since it uses less digits than its factorization.

1123131300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101237 (or 101230 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1123131300 is about 33513.1511499590. The cubic root of 1123131300 is about 1039.4657327339.

Adding to 1123131300 its reverse (31313211), we get a palindrome (1154444511).

The spelling of 1123131300 in words is "one billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred".