133331223103131 has 4 divisors (see below), whose sum is σ = 177774964137512. Its totient is φ = 88887482068752.

The previous prime is 133331223103097. The next prime is 133331223103159. The reversal of 133331223103131 is 131301322133331.

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

It is not a de Polignac number, because 133331223103131 - 2²⁷ = 133331088885403 is a prime.

It is a super-2 number, since 2×133331223103131² (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 (133331223103171) 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, 22221870517186 + ... + 22221870517191.

It is an arithmetic number, because the mean of its divisors is an integer number (44443741034378).

Almost surely, 2^{133331223103131} is an apocalyptic number.

133331223103131 is a deficient number, since it is larger than the sum of its proper divisors (44443741034381).

133331223103131 is an equidigital number, since it uses as much as digits as its factorization.

133331223103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44443741034380.

The product of its (nonzero) digits is 8748, while the sum is 30.

Adding to 133331223103131 its reverse (131301322133331), we get a palindrome (264632545236462).

The spelling of 133331223103131 in words is "one hundred thirty-three trillion, three hundred thirty-one billion, two hundred twenty-three million, one hundred three thousand, one hundred thirty-one".