313020012169 has 2 divisors, whose sum is σ = 313020012170. Its totient is φ = 313020012168.

The previous prime is 313020012143. The next prime is 313020012211. The reversal of 313020012169 is 961210020313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202936735225 + 110083276944 = 450485^2 + 331788^2 .

It is a cyclic number.

It is not a de Polignac number, because 313020012169 - 2¹³ = 313020003977 is a prime.

It is a super-2 number, since 2×313020012169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313020012269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156510006084 + 156510006085.

It is an arithmetic number, because the mean of its divisors is an integer number (156510006085).

Almost surely, 2^313020012169 is an apocalyptic number.

It is an amenable number.

313020012169 is a deficient number, since it is larger than the sum of its proper divisors (1).

313020012169 is an equidigital number, since it uses as much as digits as its factorization.

313020012169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 313020012169 in words is "three hundred thirteen billion, twenty million, twelve thousand, one hundred sixty-nine".