133300043431 has 4 divisors (see below), whose sum is σ = 137600044864. Its totient is φ = 129000042000.

The previous prime is 133300043419. The next prime is 133300043453. The reversal of 133300043431 is 134340003331.

It is a happy number.

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 133300043431 - 2⁵ = 133300043399 is a prime.

It is a super-2 number, since 2×133300043431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133300043396 and 133300043405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300043131) 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, 2150000670 + ... + 2150000731.

It is an arithmetic number, because the mean of its divisors is an integer number (34400011216).

Almost surely, 2^133300043431 is an apocalyptic number.

133300043431 is a deficient number, since it is larger than the sum of its proper divisors (4300001433).

133300043431 is an equidigital number, since it uses as much as digits as its factorization.

133300043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300001432.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133300043431 its reverse (134340003331), we get a palindrome (267640046762).

The spelling of 133300043431 in words is "one hundred thirty-three billion, three hundred million, forty-three thousand, four hundred thirty-one".