133020345031901 has 2 divisors, whose sum is σ = 133020345031902. Its totient is φ = 133020345031900.

The previous prime is 133020345031891. The next prime is 133020345031921. The reversal of 133020345031901 is 109130543020331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128775401805625 + 4244943226276 = 11347925^2 + 2060326^2 .

It is a cyclic number.

It is not a de Polignac number, because 133020345031901 - 2¹⁰ = 133020345030877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133020345031921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66510172515950 + 66510172515951.

It is an arithmetic number, because the mean of its divisors is an integer number (66510172515951).

Almost surely, 2^{133020345031901} is an apocalyptic number.

It is an amenable number.

133020345031901 is a deficient number, since it is larger than the sum of its proper divisors (1).

133020345031901 is an equidigital number, since it uses as much as digits as its factorization.

133020345031901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 133020345031901 in words is "one hundred thirty-three trillion, twenty billion, three hundred forty-five million, thirty-one thousand, nine hundred one".