133001342433231 has 4 divisors (see below), whose sum is σ = 177335123244312. Its totient is φ = 88667561622152.

The previous prime is 133001342433227. The next prime is 133001342433247. The reversal of 133001342433231 is 132334243100331.

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 133001342433231 - 2² = 133001342433227 is a prime.

It is a super-2 number, since 2×133001342433231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133001342433192 and 133001342433201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001342433331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22166890405536 + ... + 22166890405541.

It is an arithmetic number, because the mean of its divisors is an integer number (44333780811078).

Almost surely, 2^{133001342433231} is an apocalyptic number.

133001342433231 is a deficient number, since it is larger than the sum of its proper divisors (44333780811081).

133001342433231 is an equidigital number, since it uses as much as digits as its factorization.

133001342433231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44333780811080.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 133001342433231 its reverse (132334243100331), we get a palindrome (265335585533562).

The spelling of 133001342433231 in words is "one hundred thirty-three trillion, one billion, three hundred forty-two million, four hundred thirty-three thousand, two hundred thirty-one".