133424331 has 32 divisors (see below), whose sum is σ = 190881600. Its totient is φ = 82736640.

The previous prime is 133424323. The next prime is 133424339.

133424331 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (133424323) and next prime (133424339).

It is not a de Polignac number, because 133424331 - 2³ = 133424323 is a prime.

It is a super-2 number, since 2×133424331² = 35604104205595122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133424339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582525 + ... + 582753.

It is an arithmetic number, because the mean of its divisors is an integer number (5965050).

Almost surely, 2^133424331 is an apocalyptic number.

133424331 is a deficient number, since it is larger than the sum of its proper divisors (57457269).

133424331 is a wasteful number, since it uses less digits than its factorization.

133424331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its digits is 2592, while the sum is 24.

The square root of 133424331 is about 11550.9450262738. The cubic root of 133424331 is about 510.9891491167.

The spelling of 133424331 in words is "one hundred thirty-three million, four hundred twenty-four thousand, three hundred thirty-one".