311969713 has 16 divisors (see below), whose sum is σ = 348624000. Its totient is φ = 276756480.

The previous prime is 311969711. The next prime is 311969717. The reversal of 311969713 is 317969113.

It is not a de Polignac number, because 311969713 - 2¹ = 311969711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311969711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114673 + ... + 117361.

It is an arithmetic number, because the mean of its divisors is an integer number (21789000).

Almost surely, 2^311969713 is an apocalyptic number.

It is an amenable number.

311969713 is a deficient number, since it is larger than the sum of its proper divisors (36654287).

311969713 is a wasteful number, since it uses less digits than its factorization.

311969713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952.

The product of its digits is 30618, while the sum is 40.

The square root of 311969713 is about 17662.6643799853. The cubic root of 311969713 is about 678.2203413924.

The spelling of 311969713 in words is "three hundred eleven million, nine hundred sixty-nine thousand, seven hundred thirteen".