32313013 has 4 divisors (see below), whose sum is σ = 32390188. Its totient is φ = 32235840.

The previous prime is 32313011. The next prime is 32313019. The reversal of 32313013 is 31031323.

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 311364 + 32001649 = 558^2 + 5657^2 .

It is a cyclic number.

It is not a de Polignac number, because 32313013 - 2¹ = 32313011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32313011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37956 + ... + 38797.

It is an arithmetic number, because the mean of its divisors is an integer number (8097547).

Almost surely, 2^32313013 is an apocalyptic number.

It is an amenable number.

32313013 is a deficient number, since it is larger than the sum of its proper divisors (77175).

32313013 is an equidigital number, since it uses as much as digits as its factorization.

32313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77174.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 32313013 is about 5684.4536237003. The cubic root of 32313013 is about 318.5120141824.

Adding to 32313013 its reverse (31031323), we get a palindrome (63344336).

The spelling of 32313013 in words is "thirty-two million, three hundred thirteen thousand, thirteen".