133063431 has 8 divisors (see below), whose sum is σ = 178214400. Its totient is φ = 88310712.

The previous prime is 133063423. The next prime is 133063477. The reversal of 133063431 is 134360331.

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

It is not a de Polignac number, because 133063431 - 2³ = 133063423 is a prime.

It is a super-2 number, since 2×133063431² = 35411753338983522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133063481) 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, 98781 + ... + 100118.

It is an arithmetic number, because the mean of its divisors is an integer number (22276800).

Almost surely, 2^133063431 is an apocalyptic number.

133063431 is a deficient number, since it is larger than the sum of its proper divisors (45150969).

133063431 is a wasteful number, since it uses less digits than its factorization.

133063431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199125.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 133063431 is about 11535.3123494771. The cubic root of 133063431 is about 510.5280075625.

The spelling of 133063431 in words is "one hundred thirty-three million, sixty-three thousand, four hundred thirty-one".