36047571731 has 2 divisors, whose sum is σ = 36047571732. Its totient is φ = 36047571730.

The previous prime is 36047571727. The next prime is 36047571757. The reversal of 36047571731 is 13717574063.

It is a weak prime.

It is an emirp because it is prime and its reverse (13717574063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36047571731 - 2² = 36047571727 is a prime.

It is a super-2 number, since 2×36047571731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36047501731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18023785865 + 18023785866.

It is an arithmetic number, because the mean of its divisors is an integer number (18023785866).

Almost surely, 2^36047571731 is an apocalyptic number.

36047571731 is a deficient number, since it is larger than the sum of its proper divisors (1).

36047571731 is an equidigital number, since it uses as much as digits as its factorization.

36047571731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 36047571731 in words is "thirty-six billion, forty-seven million, five hundred seventy-one thousand, seven hundred thirty-one".