133431310043 has 4 divisors (see below), whose sum is σ = 133443289200. Its totient is φ = 133419330888.

The previous prime is 133431310007. The next prime is 133431310063. The reversal of 133431310043 is 340013134331.

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 133431310043 - 2¹⁰ = 133431309019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133431309994 and 133431310021.

It is not an unprimeable number, because it can be changed into a prime (133431310063) 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, 5972855 + ... + 5995152.

It is an arithmetic number, because the mean of its divisors is an integer number (33360822300).

Almost surely, 2^133431310043 is an apocalyptic number.

133431310043 is a deficient number, since it is larger than the sum of its proper divisors (11979157).

133431310043 is a wasteful number, since it uses less digits than its factorization.

133431310043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979156.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133431310043 its reverse (340013134331), we get a palindrome (473444444374).

The spelling of 133431310043 in words is "one hundred thirty-three billion, four hundred thirty-one million, three hundred ten thousand, forty-three".