40431303011 has 16 divisors (see below), whose sum is σ = 45819737088. Its totient is φ = 35343453600.

The previous prime is 40431302999. The next prime is 40431303047. The reversal of 40431303011 is 11030313404.

It is a cyclic number.

It is not a de Polignac number, because 40431303011 - 2¹⁰ = 40431301987 is a prime.

It is a super-2 number, since 2×40431303011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40431303811) 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 in 15 ways as a sum of consecutive naturals, for example, 324065 + ... + 431138.

It is an arithmetic number, because the mean of its divisors is an integer number (2863733568).

Almost surely, 2^40431303011 is an apocalyptic number.

40431303011 is a deficient number, since it is larger than the sum of its proper divisors (5388434077).

40431303011 is a wasteful number, since it uses less digits than its factorization.

40431303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755402.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 40431303011 its reverse (11030313404), we get a palindrome (51461616415).

The spelling of 40431303011 in words is "forty billion, four hundred thirty-one million, three hundred three thousand, eleven".