133431122303 has 8 divisors (see below), whose sum is σ = 136301104128. Its totient is φ = 130562433144.

The previous prime is 133431122287. The next prime is 133431122317. The reversal of 133431122303 is 303221134331.

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 133431122303 - 2⁴ = 133431122287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133431122323) 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, 113051 + ... + 528812.

It is an arithmetic number, because the mean of its divisors is an integer number (17037638016).

Almost surely, 2^133431122303 is an apocalyptic number.

133431122303 is a deficient number, since it is larger than the sum of its proper divisors (2869981825).

133431122303 is an equidigital number, since it uses as much as digits as its factorization.

133431122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646333.

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

Adding to 133431122303 its reverse (303221134331), we get a palindrome (436652256634).

The spelling of 133431122303 in words is "one hundred thirty-three billion, four hundred thirty-one million, one hundred twenty-two thousand, three hundred three".