133231123001001 has 8 divisors (see below), whose sum is σ = 177646643667520. Its totient is φ = 88818175500912.

The previous prime is 133231123000999. The next prime is 133231123001027. The reversal of 133231123001001 is 100100321132331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133231123001001 - 2¹ = 133231123000999 is a prime.

It is a super-2 number, since 2×133231123001001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133231123001401) 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 7 ways as a sum of consecutive naturals, for example, 643170790 + ... + 643377903.

It is an arithmetic number, because the mean of its divisors is an integer number (22205830458440).

Almost surely, 2^{133231123001001} is an apocalyptic number.

It is an amenable number.

133231123001001 is a deficient number, since it is larger than the sum of its proper divisors (44415520666519).

133231123001001 is a wasteful number, since it uses less digits than its factorization.

133231123001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286583215.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133231123001001 its reverse (100100321132331), we get a palindrome (233331444133332).

The spelling of 133231123001001 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, one hundred twenty-three million, one thousand, one".