40311319 has 2 divisors, whose sum is σ = 40311320. Its totient is φ = 40311318.

The previous prime is 40311311. The next prime is 40311371. The reversal of 40311319 is 91311304.

40311319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40311319 - 2³ = 40311311 is a prime.

It is a super-2 number, since 2×40311319² = 3250004879039522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40311319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40311311) 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 as a sum of consecutive naturals, namely, 20155659 + 20155660.

It is an arithmetic number, because the mean of its divisors is an integer number (20155660).

Almost surely, 2^40311319 is an apocalyptic number.

40311319 is a deficient number, since it is larger than the sum of its proper divisors (1).

40311319 is an equidigital number, since it uses as much as digits as its factorization.

40311319 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40311319 is about 6349.1195452598. The cubic root of 40311319 is about 342.8801441001.

The spelling of 40311319 in words is "forty million, three hundred eleven thousand, three hundred nineteen".