1133020331100 has 324 divisors, whose sum is σ = 4137297805368. Its totient is φ = 258594336000.

The previous prime is 1133020331089. The next prime is 1133020331101. The reversal of 1133020331100 is 11330203311.

It is a happy number.

1133020331100 is a `hidden beast` number, since 1 + 1 + 330 + 2 + 0 + 331 + 1 + 0 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133020331101) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 30454510 + ... + 30491690.

Almost surely, 2^{1133020331100} is an apocalyptic number.

1133020331100 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 1133020331100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068648902684).

1133020331100 is an abundant number, since it is smaller than the sum of its proper divisors (3004277474268).

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

1133020331100 is a wasteful number, since it uses less digits than its factorization.

1133020331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37906 (or 37889 counting only the distinct ones).

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

Adding to 1133020331100 its reverse (11330203311), we get a palindrome (1144350534411).

1133020331100 divided by its reverse (11330203311) gives a square (100 = 10²).

The spelling of 1133020331100 in words is "one trillion, one hundred thirty-three billion, twenty million, three hundred thirty-one thousand, one hundred".