31675553481469 has 2 divisors, whose sum is σ = 31675553481470. Its totient is φ = 31675553481468.

The previous prime is 31675553481389. The next prime is 31675553481499. The reversal of 31675553481469 is 96418435557613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28960951245444 + 2714602236025 = 5381538^2 + 1647605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31675553481469 is a prime.

It is a super-2 number, since 2×31675553481469² (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 (31675553481499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15837776740734 + 15837776740735.

It is an arithmetic number, because the mean of its divisors is an integer number (15837776740735).

Almost surely, 2^{31675553481469} is an apocalyptic number.

It is an amenable number.

31675553481469 is a deficient number, since it is larger than the sum of its proper divisors (1).

31675553481469 is an equidigital number, since it uses as much as digits as its factorization.

31675553481469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592000, while the sum is 67.

The spelling of 31675553481469 in words is "thirty-one trillion, six hundred seventy-five billion, five hundred fifty-three million, four hundred eighty-one thousand, four hundred sixty-nine".