36331013 has 4 divisors (see below), whose sum is σ = 36690828. Its totient is φ = 35971200.

The previous prime is 36330979. The next prime is 36331019. The reversal of 36331013 is 31013363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20948929 + 15382084 = 4577^2 + 3922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36331013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36331019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179756 + ... + 179957.

It is an arithmetic number, because the mean of its divisors is an integer number (9172707).

Almost surely, 2^36331013 is an apocalyptic number.

It is an amenable number.

36331013 is a deficient number, since it is larger than the sum of its proper divisors (359815).

36331013 is a wasteful number, since it uses less digits than its factorization.

36331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359814.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 36331013 is about 6027.5212981789. The cubic root of 36331013 is about 331.2016581644.

Adding to 36331013 its reverse (31013363), we get a palindrome (67344376).

The spelling of 36331013 in words is "thirty-six million, three hundred thirty-one thousand, thirteen".