40103421431 has 2 divisors, whose sum is σ = 40103421432. Its totient is φ = 40103421430.

The previous prime is 40103421409. The next prime is 40103421493. The reversal of 40103421431 is 13412430104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40103421431 - 2⁶ = 40103421367 is a prime.

It is a super-2 number, since 2×40103421431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40103421397 and 40103421406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40103421931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051710715 + 20051710716.

It is an arithmetic number, because the mean of its divisors is an integer number (20051710716).

Almost surely, 2^40103421431 is an apocalyptic number.

40103421431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103421431 is an equidigital number, since it uses as much as digits as its factorization.

40103421431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40103421431 its reverse (13412430104), we get a palindrome (53515851535).

The spelling of 40103421431 in words is "forty billion, one hundred three million, four hundred twenty-one thousand, four hundred thirty-one".