140032043431 has 16 divisors (see below), whose sum is σ = 171638092800. Its totient is φ = 111564749088.

The previous prime is 140032043429. The next prime is 140032043477. The reversal of 140032043431 is 134340230041.

140032043431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140032043431 - 2¹ = 140032043429 is a prime.

It is a super-2 number, since 2×140032043431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140032043396 and 140032043405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140032043231) 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, 9925711 + ... + 9939808.

It is an arithmetic number, because the mean of its divisors is an integer number (10727380800).

Almost surely, 2^140032043431 is an apocalyptic number.

140032043431 is a deficient number, since it is larger than the sum of its proper divisors (31606049369).

140032043431 is a wasteful number, since it uses less digits than its factorization.

140032043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19865598.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 140032043431 its reverse (134340230041), we get a palindrome (274372273472).

The spelling of 140032043431 in words is "one hundred forty billion, thirty-two million, forty-three thousand, four hundred thirty-one".