140431033243 has 4 divisors (see below), whose sum is σ = 140440648680. Its totient is φ = 140421417808.

The previous prime is 140431033229. The next prime is 140431033313. The reversal of 140431033243 is 342330134041.

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 140431033243 - 2²⁵ = 140397478811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140431033643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785778 + ... + 4815031.

It is an arithmetic number, because the mean of its divisors is an integer number (35110162170).

Almost surely, 2^140431033243 is an apocalyptic number.

140431033243 is a deficient number, since it is larger than the sum of its proper divisors (9615437).

140431033243 is an equidigital number, since it uses as much as digits as its factorization.

140431033243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615436.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 140431033243 its reverse (342330134041), we get a palindrome (482761167284).

The spelling of 140431033243 in words is "one hundred forty billion, four hundred thirty-one million, thirty-three thousand, two hundred forty-three".