133113133101331 has 4 divisors (see below), whose sum is σ = 133113993454552. Its totient is φ = 133112272748112.

The previous prime is 133113133101329. The next prime is 133113133101367. The reversal of 133113133101331 is 133101331311331.

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 133113133101331 - 2¹ = 133113133101329 is a prime.

It is a super-2 number, since 2×133113133101331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133113133101331.

It is not an unprimeable number, because it can be changed into a prime (133113133101731) 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 3 ways as a sum of consecutive naturals, for example, 429944490 + ... + 430253983.

It is an arithmetic number, because the mean of its divisors is an integer number (33278498363638).

Almost surely, 2^{133113133101331} is an apocalyptic number.

133113133101331 is a deficient number, since it is larger than the sum of its proper divisors (860353221).

133113133101331 is an equidigital number, since it uses as much as digits as its factorization.

133113133101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860353220.

The product of its (nonzero) digits is 2187, while the sum is 28.

Adding to 133113133101331 its reverse (133101331311331), we get a palindrome (266214464412662).

The spelling of 133113133101331 in words is "one hundred thirty-three trillion, one hundred thirteen billion, one hundred thirty-three million, one hundred one thousand, three hundred thirty-one".