1133220232031 has 4 divisors (see below), whose sum is σ = 1142143226112. Its totient is φ = 1124297237952.

The previous prime is 1133220232019. The next prime is 1133220232057. The reversal of 1133220232031 is 1302320223311.

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 1133220232031 - 2²² = 1133216037727 is a prime.

It is a super-2 number, since 2×1133220232031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133220231988 and 1133220232006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133220232091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461496850 + ... + 4461497103.

It is an arithmetic number, because the mean of its divisors is an integer number (285535806528).

Almost surely, 2^{1133220232031} is an apocalyptic number.

1133220232031 is a deficient number, since it is larger than the sum of its proper divisors (8922994081).

1133220232031 is an equidigital number, since it uses as much as digits as its factorization.

1133220232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922994080.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1133220232031 its reverse (1302320223311), we get a palindrome (2435540455342).

The spelling of 1133220232031 in words is "one trillion, one hundred thirty-three billion, two hundred twenty million, two hundred thirty-two thousand, thirty-one".