32239402313 has 2 divisors, whose sum is σ = 32239402314. Its totient is φ = 32239402312.

The previous prime is 32239402267. The next prime is 32239402387. The reversal of 32239402313 is 31320493223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32217378064 + 22024249 = 179492^2 + 4693^2 .

It is an emirp because it is prime and its reverse (31320493223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32239402313 - 2⁸ = 32239402057 is a prime.

It is a super-2 number, since 2×32239402313² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32239402313.

It is not a weakly prime, because it can be changed into another prime (32239402213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16119701156 + 16119701157.

It is an arithmetic number, because the mean of its divisors is an integer number (16119701157).

Almost surely, 2^32239402313 is an apocalyptic number.

It is an amenable number.

32239402313 is a deficient number, since it is larger than the sum of its proper divisors (1).

32239402313 is an equidigital number, since it uses as much as digits as its factorization.

32239402313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 32239402313 its reverse (31320493223), we get a palindrome (63559895536).

The spelling of 32239402313 in words is "thirty-two billion, two hundred thirty-nine million, four hundred two thousand, three hundred thirteen".