36307331 has 2 divisors, whose sum is σ = 36307332. Its totient is φ = 36307330.

The previous prime is 36307319. The next prime is 36307387. The reversal of 36307331 is 13370363.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36307331 - 2¹⁰ = 36306307 is a prime.

It is a super-2 number, since 2×36307331² = 2636444568687122, which contains 22 as substring.

It is equal to p_2221973 and since 36307331 and 2221973 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36307331.

It is not a weakly prime, because it can be changed into another prime (36307301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18153665 + 18153666.

It is an arithmetic number, because the mean of its divisors is an integer number (18153666).

Almost surely, 2^36307331 is an apocalyptic number.

36307331 is a deficient number, since it is larger than the sum of its proper divisors (1).

36307331 is an equidigital number, since it uses as much as digits as its factorization.

36307331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 36307331 is about 6025.5564888233. The cubic root of 36307331 is about 331.1296790491.

Adding to 36307331 its reverse (13370363), we get a palindrome (49677694).

The spelling of 36307331 in words is "thirty-six million, three hundred seven thousand, three hundred thirty-one".