40344143031 has 12 divisors (see below), whose sum is σ = 61341972120. Its totient is φ = 25480511280.

The previous prime is 40344143029. The next prime is 40344143033. The reversal of 40344143031 is 13034144304.

40344143031 is a `hidden beast` number, since 4 + 0 + 344 + 14 + 303 + 1 = 666.

40344143031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40344143029) and next prime (40344143033).

It is not a de Polignac number, because 40344143031 - 2¹ = 40344143029 is a prime.

It is a super-2 number, since 2×40344143031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40344142986 and 40344143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344143033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117965160 + ... + 117965501.

It is an arithmetic number, because the mean of its divisors is an integer number (5111831010).

Almost surely, 2^40344143031 is an apocalyptic number.

40344143031 is a deficient number, since it is larger than the sum of its proper divisors (20997829089).

40344143031 is a wasteful number, since it uses less digits than its factorization.

40344143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235930686 (or 235930683 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40344143031 its reverse (13034144304), we get a palindrome (53378287335).

The spelling of 40344143031 in words is "forty billion, three hundred forty-four million, one hundred forty-three thousand, thirty-one".