40103218434131 has 2 divisors, whose sum is σ = 40103218434132. Its totient is φ = 40103218434130.

The previous prime is 40103218434113. The next prime is 40103218434157. The reversal of 40103218434131 is 13143481230104.

Together with previous prime (40103218434113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40103218434131 - 2¹⁰ = 40103218433107 is a prime.

It is a super-2 number, since 2×40103218434131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40103218434091 and 40103218434100.

It is not a weakly prime, because it can be changed into another prime (40103218434161) 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 as a sum of consecutive naturals, namely, 20051609217065 + 20051609217066.

It is an arithmetic number, because the mean of its divisors is an integer number (20051609217066).

Almost surely, 2^{40103218434131} is an apocalyptic number.

40103218434131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103218434131 is an equidigital number, since it uses as much as digits as its factorization.

40103218434131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 40103218434131 its reverse (13143481230104), we get a palindrome (53246699664235).

The spelling of 40103218434131 in words is "forty trillion, one hundred three billion, two hundred eighteen million, four hundred thirty-four thousand, one hundred thirty-one".