140043424030231 has 4 divisors (see below), whose sum is σ = 140195810782000. Its totient is φ = 139891037278464.

The previous prime is 140043424030229. The next prime is 140043424030241. The reversal of 140043424030231 is 132030424340041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140043424030231 - 2¹ = 140043424030229 is a prime.

It is a super-2 number, since 2×140043424030231² (a number of 29 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 = 140043424030193 and 140043424030202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140043424030201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76193374506 + ... + 76193376343.

It is an arithmetic number, because the mean of its divisors is an integer number (35048952695500).

Almost surely, 2^{140043424030231} is an apocalyptic number.

140043424030231 is a deficient number, since it is larger than the sum of its proper divisors (152386751769).

140043424030231 is an equidigital number, since it uses as much as digits as its factorization.

140043424030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152386751768.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 140043424030231 its reverse (132030424340041), we get a palindrome (272073848370272).

The spelling of 140043424030231 in words is "one hundred forty trillion, forty-three billion, four hundred twenty-four million, thirty thousand, two hundred thirty-one".