133103333031523 has 2 divisors, whose sum is σ = 133103333031524. Its totient is φ = 133103333031522.

The previous prime is 133103333031521. The next prime is 133103333031593. The reversal of 133103333031523 is 325130333301331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133103333031523 - 2¹ = 133103333031521 is a prime.

Together with 133103333031521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (133103333031521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66551666515761 + 66551666515762.

It is an arithmetic number, because the mean of its divisors is an integer number (66551666515762).

Almost surely, 2^{133103333031523} is an apocalyptic number.

133103333031523 is a deficient number, since it is larger than the sum of its proper divisors (1).

133103333031523 is an equidigital number, since it uses as much as digits as its factorization.

133103333031523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65610, while the sum is 34.

Adding to 133103333031523 its reverse (325130333301331), we get a palindrome (458233666332854).

The spelling of 133103333031523 in words is "one hundred thirty-three trillion, one hundred three billion, three hundred thirty-three million, thirty-one thousand, five hundred twenty-three".