4311913 has 2 divisors, whose sum is σ = 4311914. Its totient is φ = 4311912.

The previous prime is 4311893. The next prime is 4311947. The reversal of 4311913 is 3191134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3415104 + 896809 = 1848^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 4311913 - 2²¹ = 2214761 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4311113) 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 as a sum of consecutive naturals, namely, 2155956 + 2155957.

It is an arithmetic number, because the mean of its divisors is an integer number (2155957).

Almost surely, 2^4311913 is an apocalyptic number.

It is an amenable number.

4311913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4311913 is an equidigital number, since it uses as much as digits as its factorization.

4311913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 22.

The square root of 4311913 is about 2076.5146279283. The cubic root of 4311913 is about 162.7633662216.

The spelling of 4311913 in words is "four million, three hundred eleven thousand, nine hundred thirteen".