133031525173 has 2 divisors, whose sum is σ = 133031525174. Its totient is φ = 133031525172.

The previous prime is 133031525171. The next prime is 133031525189. The reversal of 133031525173 is 371525130331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104030116369 + 29001408804 = 322537^2 + 170298^2 .

It is a cyclic number.

It is not a de Polignac number, because 133031525173 - 2¹ = 133031525171 is a prime.

Together with 133031525171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133031525171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66515762586 + 66515762587.

It is an arithmetic number, because the mean of its divisors is an integer number (66515762587).

Almost surely, 2^133031525173 is an apocalyptic number.

It is an amenable number.

133031525173 is a deficient number, since it is larger than the sum of its proper divisors (1).

133031525173 is an equidigital number, since it uses as much as digits as its factorization.

133031525173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 34.

The spelling of 133031525173 in words is "one hundred thirty-three billion, thirty-one million, five hundred twenty-five thousand, one hundred seventy-three".