1131020233303 has 4 divisors (see below), whose sum is σ = 1197550835280. Its totient is φ = 1064489631328.

The previous prime is 1131020233283. The next prime is 1131020233327. The reversal of 1131020233303 is 3033320201311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131020233303 - 2⁹ = 1131020232791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131020233363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33265300963 + ... + 33265300996.

It is an arithmetic number, because the mean of its divisors is an integer number (299387708820).

Almost surely, 2^{1131020233303} is an apocalyptic number.

1131020233303 is a deficient number, since it is larger than the sum of its proper divisors (66530601977).

1131020233303 is an equidigital number, since it uses as much as digits as its factorization.

1131020233303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66530601976.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1131020233303 its reverse (3033320201311), we get a palindrome (4164340434614).

The spelling of 1131020233303 in words is "one trillion, one hundred thirty-one billion, twenty million, two hundred thirty-three thousand, three hundred three".