133031232011 has 12 divisors (see below), whose sum is σ = 138077689680. Its totient is φ = 128154117600.

The previous prime is 133031232001. The next prime is 133031232017. The reversal of 133031232011 is 110232130331.

It is not a de Polignac number, because 133031232011 - 2²² = 133027037707 is a prime.

It is a super-2 number, since 2×133031232011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133031232017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342791 + ... + 619328.

It is an arithmetic number, because the mean of its divisors is an integer number (11506474140).

Almost surely, 2^133031232011 is an apocalyptic number.

133031232011 is a deficient number, since it is larger than the sum of its proper divisors (5046457669).

133031232011 is an equidigital number, since it uses as much as digits as its factorization.

133031232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962294 (or 962257 counting only the distinct ones).

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

Adding to 133031232011 its reverse (110232130331), we get a palindrome (243263362342).

The spelling of 133031232011 in words is "one hundred thirty-three billion, thirty-one million, two hundred thirty-two thousand, eleven".