31842480512669 has 2 divisors, whose sum is σ = 31842480512670. Its totient is φ = 31842480512668.

The previous prime is 31842480512641. The next prime is 31842480512737. The reversal of 31842480512669 is 96621508424813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20728324748569 + 11114155764100 = 4552837^2 + 3333790^2 .

It is a cyclic number.

It is not a de Polignac number, because 31842480512669 - 2³² = 31838185545373 is a prime.

It is a super-2 number, since 2×31842480512669² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31842480517669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15921240256334 + 15921240256335.

It is an arithmetic number, because the mean of its divisors is an integer number (15921240256335).

Almost surely, 2^{31842480512669} is an apocalyptic number.

It is an amenable number.

31842480512669 is a deficient number, since it is larger than the sum of its proper divisors (1).

31842480512669 is an equidigital number, since it uses as much as digits as its factorization.

31842480512669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 31842480512669 in words is "thirty-one trillion, eight hundred forty-two billion, four hundred eighty million, five hundred twelve thousand, six hundred sixty-nine".