40300032313 has 2 divisors, whose sum is σ = 40300032314. Its totient is φ = 40300032312.

The previous prime is 40300032307. The next prime is 40300032341. The reversal of 40300032313 is 31323000304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28912581369 + 11387450944 = 170037^2 + 106712^2 .

It is a cyclic number.

It is not a de Polignac number, because 40300032313 - 2²⁹ = 39763161401 is a prime.

It is not a weakly prime, because it can be changed into another prime (40300032013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20150016156 + 20150016157.

It is an arithmetic number, because the mean of its divisors is an integer number (20150016157).

Almost surely, 2^40300032313 is an apocalyptic number.

It is an amenable number.

40300032313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40300032313 is an equidigital number, since it uses as much as digits as its factorization.

40300032313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 40300032313 its reverse (31323000304), we get a palindrome (71623032617).

The spelling of 40300032313 in words is "forty billion, three hundred million, thirty-two thousand, three hundred thirteen".