40450305131 has 2 divisors, whose sum is σ = 40450305132. Its totient is φ = 40450305130.

The previous prime is 40450305107. The next prime is 40450305139. The reversal of 40450305131 is 13150305404.

40450305131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40450305131 is a prime.

It is a super-2 number, since 2×40450305131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40450305131.

It is not a weakly prime, because it can be changed into another prime (40450305139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225152565 + 20225152566.

It is an arithmetic number, because the mean of its divisors is an integer number (20225152566).

Almost surely, 2^40450305131 is an apocalyptic number.

40450305131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40450305131 is an equidigital number, since it uses as much as digits as its factorization.

40450305131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 40450305131 in words is "forty billion, four hundred fifty million, three hundred five thousand, one hundred thirty-one".