36350221231 has 2 divisors, whose sum is σ = 36350221232. Its totient is φ = 36350221230.

The previous prime is 36350221217. The next prime is 36350221309. The reversal of 36350221231 is 13212205363.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36350221231 - 2¹¹ = 36350219183 is a prime.

It is a super-2 number, since 2×36350221231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36350221231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36350221931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18175110615 + 18175110616.

It is an arithmetic number, because the mean of its divisors is an integer number (18175110616).

Almost surely, 2^36350221231 is an apocalyptic number.

36350221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

36350221231 is an equidigital number, since it uses as much as digits as its factorization.

36350221231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 36350221231 its reverse (13212205363), we get a palindrome (49562426594).

The spelling of 36350221231 in words is "thirty-six billion, three hundred fifty million, two hundred twenty-one thousand, two hundred thirty-one".