31263340552317 has 12 divisors (see below), whose sum is σ = 45195264720060. Its totient is φ = 20825101122048.

The previous prime is 31263340552261. The next prime is 31263340552351. The reversal of 31263340552317 is 71325504336213.

31263340552317 is a `hidden beast` number, since 3 + 1 + 2 + 6 + 3 + 3 + 405 + 5 + 231 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8302817494521 + 22960523057796 = 2881461^2 + 4791714^2 .

It is not a de Polignac number, because 31263340552317 - 2¹¹ = 31263340550269 is a prime.

It is a super-2 number, since 2×31263340552317² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31263340552387) 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 in 11 ways as a sum of consecutive naturals, for example, 1427147842 + ... + 1427169747.

It is an arithmetic number, because the mean of its divisors is an integer number (3766272060005).

Almost surely, 2^{31263340552317} is an apocalyptic number.

It is an amenable number.

31263340552317 is a deficient number, since it is larger than the sum of its proper divisors (13931924167743).

31263340552317 is a wasteful number, since it uses less digits than its factorization.

31263340552317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854318812 (or 2854318809 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 31263340552317 in words is "thirty-one trillion, two hundred sixty-three billion, three hundred forty million, five hundred fifty-two thousand, three hundred seventeen".