1101312300 has 144 divisors (see below), whose sum is σ = 3533773824. Its totient is φ = 262560000.

The previous prime is 1101312283. The next prime is 1101312301. The reversal of 1101312300 is 32131011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1101312301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198565 + ... + 204035.

It is an arithmetic number, because the mean of its divisors is an integer number (24540096).

Almost surely, 2^1101312300 is an apocalyptic number.

1101312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101312300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766886912).

1101312300 is an abundant number, since it is smaller than the sum of its proper divisors (2432461524).

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

1101312300 is a wasteful number, since it uses less digits than its factorization.

1101312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560 (or 5553 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1101312300 is about 33186.0256734668. The cubic root of 1101312300 is about 1032.6904557135.

Adding to 1101312300 its reverse (32131011), we get a palindrome (1133443311).

The spelling of 1101312300 in words is "one billion, one hundred one million, three hundred twelve thousand, three hundred".