36000030000031 has 2 divisors, whose sum is σ = 36000030000032. Its totient is φ = 36000030000030.

The previous prime is 36000029999981. The next prime is 36000030000071. The reversal of 36000030000031 is 13000003000063.

It is a strong prime.

It is an emirp because it is prime and its reverse (13000003000063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36000030000031 - 2²³ = 36000021611423 is a prime.

It is a super-2 number, since 2×36000030000031² (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 (36000030000071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18000015000015 + 18000015000016.

It is an arithmetic number, because the mean of its divisors is an integer number (18000015000016).

Almost surely, 2^{36000030000031} is an apocalyptic number.

36000030000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

36000030000031 is an equidigital number, since it uses as much as digits as its factorization.

36000030000031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 36000030000031 its reverse (13000003000063), we get a palindrome (49000033000094).

The spelling of 36000030000031 in words is "thirty-six trillion, thirty million, thirty-one", and thus it is an aban number and an uban number.