40311704813 has 4 divisors (see below), whose sum is σ = 40312263900. Its totient is φ = 40311145728.

The previous prime is 40311704803. The next prime is 40311704831. The reversal of 40311704813 is 31840711304.

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 4635294889 + 35676409924 = 68083^2 + 188882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40311704813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40311704813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311704803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151988 + ... + 322061.

It is an arithmetic number, because the mean of its divisors is an integer number (10078065975).

Almost surely, 2^40311704813 is an apocalyptic number.

It is an amenable number.

40311704813 is a deficient number, since it is larger than the sum of its proper divisors (559087).

40311704813 is an equidigital number, since it uses as much as digits as its factorization.

40311704813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559086.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 40311704813 in words is "forty billion, three hundred eleven million, seven hundred four thousand, eight hundred thirteen".