36317810331681 has 8 divisors (see below), whose sum is σ = 48423841139904. Its totient is φ = 24211826538960.

The previous prime is 36317810331511. The next prime is 36317810331683. The reversal of 36317810331681 is 18613301871363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36317810331681 - 2⁹ = 36317810331169 is a prime.

It is a super-2 number, since 2×36317810331681² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36317810331683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9910141 + ... + 13070826.

It is an arithmetic number, because the mean of its divisors is an integer number (6052980142488).

Almost surely, 2^{36317810331681} is an apocalyptic number.

It is an amenable number.

36317810331681 is a deficient number, since it is larger than the sum of its proper divisors (12106030808223).

36317810331681 is a wasteful number, since it uses less digits than its factorization.

36317810331681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23507751.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 36317810331681 in words is "thirty-six trillion, three hundred seventeen billion, eight hundred ten million, three hundred thirty-one thousand, six hundred eighty-one".