40310431005 has 64 divisors (see below), whose sum is σ = 73471329792. Its totient is φ = 18722119680.

The previous prime is 40310431003. The next prime is 40310431009. The reversal of 40310431005 is 50013401304.

It is not a de Polignac number, because 40310431005 - 2¹ = 40310431003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310431003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 265845 + ... + 388965.

It is an arithmetic number, because the mean of its divisors is an integer number (1147989528).

Almost surely, 2^40310431005 is an apocalyptic number.

It is an amenable number.

40310431005 is a deficient number, since it is larger than the sum of its proper divisors (33160898787).

40310431005 is a wasteful number, since it uses less digits than its factorization.

40310431005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123238.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 40310431005 its reverse (50013401304), we get a palindrome (90323832309).

The spelling of 40310431005 in words is "forty billion, three hundred ten million, four hundred thirty-one thousand, five".