40131313431 has 8 divisors (see below), whose sum is σ = 58372819584. Its totient is φ = 24322008120.

The previous prime is 40131313421. The next prime is 40131313459. The reversal of 40131313431 is 13431313104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40131313431 - 2⁹ = 40131312919 is a prime.

It is a super-2 number, since 2×40131313431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131313421) 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 7 ways as a sum of consecutive naturals, for example, 608050171 + ... + 608050236.

It is an arithmetic number, because the mean of its divisors is an integer number (7296602448).

Almost surely, 2^40131313431 is an apocalyptic number.

40131313431 is a deficient number, since it is larger than the sum of its proper divisors (18241506153).

40131313431 is a wasteful number, since it uses less digits than its factorization.

40131313431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216100421.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 40131313431 its reverse (13431313104), we get a palindrome (53562626535).

The spelling of 40131313431 in words is "forty billion, one hundred thirty-one million, three hundred thirteen thousand, four hundred thirty-one".