40311304224251 has 2 divisors, whose sum is σ = 40311304224252. Its totient is φ = 40311304224250.

The previous prime is 40311304224209. The next prime is 40311304224313. The reversal of 40311304224251 is 15242240311304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40311304224251 is a prime.

It is a super-2 number, since 2×40311304224251² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40311304124251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20155652112125 + 20155652112126.

It is an arithmetic number, because the mean of its divisors is an integer number (20155652112126).

Almost surely, 2^{40311304224251} is an apocalyptic number.

40311304224251 is a deficient number, since it is larger than the sum of its proper divisors (1).

40311304224251 is an equidigital number, since it uses as much as digits as its factorization.

40311304224251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 40311304224251 its reverse (15242240311304), we get a palindrome (55553544535555).

The spelling of 40311304224251 in words is "forty trillion, three hundred eleven billion, three hundred four million, two hundred twenty-four thousand, two hundred fifty-one".