231313331130169 has 2 divisors, whose sum is σ = 231313331130170. Its totient is φ = 231313331130168.

The previous prime is 231313331130061. The next prime is 231313331130289. The reversal of 231313331130169 is 961031133313132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230747857209769 + 565473920400 = 15190387^2 + 751980^2 .

It is a cyclic number.

It is not a de Polignac number, because 231313331130169 - 2¹⁹ = 231313330605881 is a prime.

It is a super-2 number, since 2×231313331130169² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231313331430169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656665565084 + 115656665565085.

It is an arithmetic number, because the mean of its divisors is an integer number (115656665565085).

Almost surely, 2^{231313331130169} is an apocalyptic number.

It is an amenable number.

231313331130169 is a deficient number, since it is larger than the sum of its proper divisors (1).

231313331130169 is an equidigital number, since it uses as much as digits as its factorization.

231313331130169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 40.

The spelling of 231313331130169 in words is "two hundred thirty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirty thousand, one hundred sixty-nine".