133131303121 has 8 divisors (see below), whose sum is σ = 138934972224. Its totient is φ = 127328913360.

The previous prime is 133131303083. The next prime is 133131303161. The reversal of 133131303121 is 121303131331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133131303121 - 2²⁷ = 132997085393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133131303092 and 133131303101.

It is not an unprimeable number, because it can be changed into a prime (133131303161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104071 + ... + 526396.

It is an arithmetic number, because the mean of its divisors is an integer number (17366871528).

Almost surely, 2^133131303121 is an apocalyptic number.

It is an amenable number.

133131303121 is a deficient number, since it is larger than the sum of its proper divisors (5803669103).

133131303121 is an equidigital number, since it uses as much as digits as its factorization.

133131303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639671.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 133131303121 its reverse (121303131331), we get a palindrome (254434434452).

The spelling of 133131303121 in words is "one hundred thirty-three billion, one hundred thirty-one million, three hundred three thousand, one hundred twenty-one".