133080331 has 4 divisors (see below), whose sum is σ = 133462000. Its totient is φ = 132698664.

The previous prime is 133080263. The next prime is 133080347.

133080331 is nontrivially palindromic in base 10.

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 133080331 - 2¹⁷ = 132949259 is a prime.

It is a super-2 number, since 2×133080331² = 35420748998139122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133080371) 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, 190311 + ... + 191008.

It is an arithmetic number, because the mean of its divisors is an integer number (33365500).

Almost surely, 2^133080331 is an apocalyptic number.

133080331 is a deficient number, since it is larger than the sum of its proper divisors (381669).

133080331 is an equidigital number, since it uses as much as digits as its factorization.

133080331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381668.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 133080331 is about 11536.0448594828. The cubic root of 133080331 is about 510.5496202075.

The spelling of 133080331 in words is "one hundred thirty-three million, eighty thousand, three hundred thirty-one".