36031309 has 2 divisors, whose sum is σ = 36031310. Its totient is φ = 36031308.

The previous prime is 36031243. The next prime is 36031319. The reversal of 36031309 is 90313063.

36031309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 11923209 = 4910^2 + 3453^2 .

It is a cyclic number.

It is not a de Polignac number, because 36031309 - 2⁷ = 36031181 is a prime.

It is a super-3 number, since 3×36031309³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36031319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18015654 + 18015655.

It is an arithmetic number, because the mean of its divisors is an integer number (18015655).

Almost surely, 2^36031309 is an apocalyptic number.

It is an amenable number.

36031309 is a deficient number, since it is larger than the sum of its proper divisors (1).

36031309 is an equidigital number, since it uses as much as digits as its factorization.

36031309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 36031309 is about 6002.6085163036. The cubic root of 36031309 is about 330.2884194126.

The spelling of 36031309 in words is "thirty-six million, thirty-one thousand, three hundred nine".