210172140313 has 2 divisors, whose sum is σ = 210172140314. Its totient is φ = 210172140312.

The previous prime is 210172140223. The next prime is 210172140379. The reversal of 210172140313 is 313041271012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204079869504 + 6092270809 = 451752^2 + 78053^2 .

It is a cyclic number.

It is not a de Polignac number, because 210172140313 - 2¹⁷ = 210172009241 is a prime.

It is not a weakly prime, because it can be changed into another prime (210172140383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105086070156 + 105086070157.

It is an arithmetic number, because the mean of its divisors is an integer number (105086070157).

Almost surely, 2^210172140313 is an apocalyptic number.

It is an amenable number.

210172140313 is a deficient number, since it is larger than the sum of its proper divisors (1).

210172140313 is an equidigital number, since it uses as much as digits as its factorization.

210172140313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 210172140313 in words is "two hundred ten billion, one hundred seventy-two million, one hundred forty thousand, three hundred thirteen".