133010331 has 4 divisors (see below), whose sum is σ = 177347112. Its totient is φ = 88673552.

The previous prime is 133010321. The next prime is 133010333.

133010331 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 133010331 - 2²⁶ = 65901467 is a prime.

It is a super-2 number, since 2×133010331² = 35383496305459122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133010331.

It is not an unprimeable number, because it can be changed into a prime (133010333) 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, 22168386 + ... + 22168391.

It is an arithmetic number, because the mean of its divisors is an integer number (44336778).

Almost surely, 2^133010331 is an apocalyptic number.

133010331 is a deficient number, since it is larger than the sum of its proper divisors (44336781).

133010331 is an equidigital number, since it uses as much as digits as its factorization.

133010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44336780.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133010331 is about 11533.0104916279. The cubic root of 133010331 is about 510.4600884661.

The spelling of 133010331 in words is "one hundred thirty-three million, ten thousand, three hundred thirty-one".