1133031020 has 96 divisors (see below), whose sum is σ = 2692388160. Its totient is φ = 396887040.

The previous prime is 1133031007. The next prime is 1133031041. The reversal of 1133031020 is 201303311.

It is a junction number, because it is equal to n+sod(n) for n = 1133030986 and 1133031004.

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, 886622 + ... + 887898.

It is an arithmetic number, because the mean of its divisors is an integer number (28045710).

Almost surely, 2^1133031020 is an apocalyptic number.

1133031020 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 1133031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346194080).

1133031020 is an abundant number, since it is smaller than the sum of its proper divisors (1559357140).

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

1133031020 is a wasteful number, since it uses less digits than its factorization.

1133031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1133031020 is about 33660.5261396788. The cubic root of 1133031020 is about 1042.5108894001.

Adding to 1133031020 its reverse (201303311), we get a palindrome (1334334331).

The spelling of 1133031020 in words is "one billion, one hundred thirty-three million, thirty-one thousand, twenty".