40107431 has 24 divisors (see below), whose sum is σ = 50944320. Its totient is φ = 31292352.

The previous prime is 40107413. The next prime is 40107449. The reversal of 40107431 is 13470104.

It is an interprime number because it is at equal distance from previous prime (40107413) and next prime (40107449).

It is not a de Polignac number, because 40107431 - 2¹⁸ = 39845287 is a prime.

It is a super-2 number, since 2×40107431² = 3217212042839522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40107451) 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 23 ways as a sum of consecutive naturals, for example, 49925 + ... + 50721.

It is an arithmetic number, because the mean of its divisors is an integer number (2122680).

Almost surely, 2^40107431 is an apocalyptic number.

40107431 is a deficient number, since it is larger than the sum of its proper divisors (10836889).

40107431 is a wasteful number, since it uses less digits than its factorization.

40107431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40107431 is about 6333.0427915813. The cubic root of 40107431 is about 342.3010896819.

Adding to 40107431 its reverse (13470104), we get a palindrome (53577535).

The spelling of 40107431 in words is "forty million, one hundred seven thousand, four hundred thirty-one".