33132011231 has 16 divisors (see below), whose sum is σ = 37129922208. Its totient is φ = 29298816000.

The previous prime is 33132011183. The next prime is 33132011233. The reversal of 33132011231 is 13211023133.

It is a cyclic number.

It is not a de Polignac number, because 33132011231 - 2⁶ = 33132011167 is a prime.

It is a super-2 number, since 2×33132011231² (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 (33132011233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2353991 + ... + 2368023.

It is an arithmetic number, because the mean of its divisors is an integer number (2320620138).

Almost surely, 2^33132011231 is an apocalyptic number.

33132011231 is a deficient number, since it is larger than the sum of its proper divisors (3997910977).

33132011231 is a wasteful number, since it uses less digits than its factorization.

33132011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19882.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33132011231 its reverse (13211023133), we get a palindrome (46343034364).

The spelling of 33132011231 in words is "thirty-three billion, one hundred thirty-two million, eleven thousand, two hundred thirty-one".