1133303231303 has 4 divisors (see below), whose sum is σ = 1199968127280. Its totient is φ = 1066638335328.

The previous prime is 1133303231297. The next prime is 1133303231311. The reversal of 1133303231303 is 3031323033311.

It is a happy number.

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 1133303231303 - 2²⁶ = 1133236122439 is a prime.

It is a super-2 number, since 2×1133303231303² (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 (1133303231393) 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, 33332447963 + ... + 33332447996.

It is an arithmetic number, because the mean of its divisors is an integer number (299992031820).

Almost surely, 2^{1133303231303} is an apocalyptic number.

1133303231303 is a deficient number, since it is larger than the sum of its proper divisors (66664895977).

1133303231303 is an equidigital number, since it uses as much as digits as its factorization.

1133303231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66664895976.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 1133303231303 its reverse (3031323033311), we get a palindrome (4164626264614).

The spelling of 1133303231303 in words is "one trillion, one hundred thirty-three billion, three hundred three million, two hundred thirty-one thousand, three hundred three".