1131233020303 has 32 divisors (see below), whose sum is σ = 1208341411200. Its totient is φ = 1056656240640.

The previous prime is 1131233020289. The next prime is 1131233020321. The reversal of 1131233020303 is 3030203321311.

It is not a de Polignac number, because 1131233020303 - 2¹³ = 1131233012111 is a prime.

It is a super-2 number, since 2×1131233020303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131233020363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243325923 + ... + 243330571.

It is an arithmetic number, because the mean of its divisors is an integer number (37760669100).

Almost surely, 2^{1131233020303} is an apocalyptic number.

1131233020303 is a deficient number, since it is larger than the sum of its proper divisors (77108390897).

1131233020303 is a wasteful number, since it uses less digits than its factorization.

1131233020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619.

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

Adding to 1131233020303 its reverse (3030203321311), we get a palindrome (4161436341614).

The spelling of 1131233020303 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-three million, twenty thousand, three hundred three".