36347231 has 2 divisors, whose sum is σ = 36347232. Its totient is φ = 36347230.

The previous prime is 36347219. The next prime is 36347261. The reversal of 36347231 is 13274363.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36347231 - 2¹⁰ = 36346207 is a prime.

It is a super-2 number, since 2×36347231² = 2642242402734722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 36347194 and 36347203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36347261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18173615 + 18173616.

It is an arithmetic number, because the mean of its divisors is an integer number (18173616).

Almost surely, 2^36347231 is an apocalyptic number.

36347231 is a deficient number, since it is larger than the sum of its proper divisors (1).

36347231 is an equidigital number, since it uses as much as digits as its factorization.

36347231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 36347231 is about 6028.8664772078. The cubic root of 36347231 is about 331.2509331408.

The spelling of 36347231 in words is "thirty-six million, three hundred forty-seven thousand, two hundred thirty-one".