133231121132331 has 4 divisors (see below), whose sum is σ = 177641494843112. Its totient is φ = 88820747421552.

The previous prime is 133231121132323. The next prime is 133231121132363.

133231121132331 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 133231121132331 - 2³ = 133231121132323 is a prime.

It is a super-2 number, since 2×133231121132331² (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 (133231121132371) 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, 22205186855386 + ... + 22205186855391.

It is an arithmetic number, because the mean of its divisors is an integer number (44410373710778).

Almost surely, 2^{133231121132331} is an apocalyptic number.

133231121132331 is a deficient number, since it is larger than the sum of its proper divisors (44410373710781).

133231121132331 is an equidigital number, since it uses as much as digits as its factorization.

133231121132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44410373710780.

The product of its digits is 5832, while the sum is 30.

The spelling of 133231121132331 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred thirty-one".