140231433231 has 24 divisors (see below), whose sum is σ = 214288880000. Its totient is φ = 88122138192.

The previous prime is 140231433197. The next prime is 140231433233. The reversal of 140231433231 is 132334132041.

It is a happy number.

140231433231 is a `hidden beast` number, since 14 + 0 + 2 + 314 + 332 + 3 + 1 = 666.

It is not a de Polignac number, because 140231433231 - 2¹³ = 140231425039 is a prime.

It is a super-2 number, since 2×140231433231² (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 = 140231433195 and 140231433204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140231433233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2026441 + ... + 2094498.

Almost surely, 2^140231433231 is an apocalyptic number.

140231433231 is a deficient number, since it is larger than the sum of its proper divisors (74057446769).

140231433231 is a wasteful number, since it uses less digits than its factorization.

140231433231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121163 (or 4121160 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 140231433231 its reverse (132334132041), we get a palindrome (272565565272).

The spelling of 140231433231 in words is "one hundred forty billion, two hundred thirty-one million, four hundred thirty-three thousand, two hundred thirty-one".