133321132312331 has 16 divisors (see below), whose sum is σ = 141075216476160. Its totient is φ = 125640789167520.

The previous prime is 133321132312267. The next prime is 133321132312363. The reversal of 133321132312331 is 133213231123331.

It is not a de Polignac number, because 133321132312331 - 2⁶ = 133321132312267 is a prime.

It is a super-2 number, since 2×133321132312331² (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 (133321132372331) 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, 234574160 + ... + 235141826.

It is an arithmetic number, because the mean of its divisors is an integer number (8817201029760).

Almost surely, 2^{133321132312331} is an apocalyptic number.

133321132312331 is a deficient number, since it is larger than the sum of its proper divisors (7754084163829).

133321132312331 is a wasteful number, since it uses less digits than its factorization.

133321132312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632594.

The product of its digits is 17496, while the sum is 32.

Adding to 133321132312331 its reverse (133213231123331), we get a palindrome (266534363435662).

The spelling of 133321132312331 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, one hundred thirty-two million, three hundred twelve thousand, three hundred thirty-one".