36161235431 has 2 divisors, whose sum is σ = 36161235432. Its totient is φ = 36161235430.

The previous prime is 36161235427. The next prime is 36161235521. The reversal of 36161235431 is 13453216163.

36161235431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13453216163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36161235431 - 2² = 36161235427 is a prime.

It is a super-2 number, since 2×36161235431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36161235391 and 36161235400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36101235431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18080617715 + 18080617716.

It is an arithmetic number, because the mean of its divisors is an integer number (18080617716).

Almost surely, 2^36161235431 is an apocalyptic number.

36161235431 is a deficient number, since it is larger than the sum of its proper divisors (1).

36161235431 is an equidigital number, since it uses as much as digits as its factorization.

36161235431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The spelling of 36161235431 in words is "thirty-six billion, one hundred sixty-one million, two hundred thirty-five thousand, four hundred thirty-one".