133201433431 has 8 divisors (see below), whose sum is σ = 145313296128. Its totient is φ = 121090011000.

The previous prime is 133201433371. The next prime is 133201433437. The reversal of 133201433431 is 134334102331.

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 133201433431 - 2²⁹ = 132664562519 is a prime.

It is a super-2 number, since 2×133201433431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133201433431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201433437) 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, 1132066 + ... + 1244176.

It is an arithmetic number, because the mean of its divisors is an integer number (18164162016).

Almost surely, 2^133201433431 is an apocalyptic number.

133201433431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133201433431 is a deficient number, since it is larger than the sum of its proper divisors (12111862697).

133201433431 is a wasteful number, since it uses less digits than its factorization.

133201433431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220133.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133201433431 its reverse (134334102331), we get a palindrome (267535535762).

The spelling of 133201433431 in words is "one hundred thirty-three billion, two hundred one million, four hundred thirty-three thousand, four hundred thirty-one".