133323301002131 has 4 divisors (see below), whose sum is σ = 135201093974064. Its totient is φ = 131445508030200.

The previous prime is 133323301002113. The next prime is 133323301002163. The reversal of 133323301002131 is 131200103323331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133323301002131 is a prime.

It is a super-2 number, since 2×133323301002131² (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 133323301002131.

It is not an unprimeable number, because it can be changed into a prime (133323301002431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938896485860 + ... + 938896486001.

It is an arithmetic number, because the mean of its divisors is an integer number (33800273493516).

Almost surely, 2^{133323301002131} is an apocalyptic number.

133323301002131 is a deficient number, since it is larger than the sum of its proper divisors (1877792971933).

133323301002131 is an equidigital number, since it uses as much as digits as its factorization.

133323301002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877792971932.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 133323301002131 its reverse (131200103323331), we get a palindrome (264523404325462).

The spelling of 133323301002131 in words is "one hundred thirty-three trillion, three hundred twenty-three billion, three hundred one million, two thousand, one hundred thirty-one".