33231001133 has 8 divisors (see below), whose sum is σ = 36551606016. Its totient is φ = 30209999820.

The previous prime is 33231001093. The next prime is 33231001147. The reversal of 33231001133 is 33110013233.

It is not a de Polignac number, because 33231001133 - 2¹⁶ = 33230935597 is a prime.

It is a super-2 number, since 2×33231001133² (a number of 22 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 (33231001033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12482141 + ... + 12484802.

It is an arithmetic number, because the mean of its divisors is an integer number (4568950752).

Almost surely, 2^33231001133 is an apocalyptic number.

It is an amenable number.

33231001133 is a deficient number, since it is larger than the sum of its proper divisors (3320604883).

33231001133 is an equidigital number, since it uses as much as digits as its factorization.

33231001133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24966976 (or 24966954 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 33231001133 its reverse (33110013233), we get a palindrome (66341014366).

It can be divided in two parts, 3323100 and 1133, that added together give a palindrome (3324233).

The spelling of 33231001133 in words is "thirty-three billion, two hundred thirty-one million, one thousand, one hundred thirty-three".