140120103431 has 8 divisors (see below), whose sum is σ = 174695193984. Its totient is φ = 109184496120.

The previous prime is 140120103401. The next prime is 140120103443. The reversal of 140120103431 is 134301021041.

140120103431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140120103431 - 2⁶ = 140120103367 is a prime.

It is a super-2 number, since 2×140120103431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140120103401) 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 7 ways as a sum of consecutive naturals, for example, 909870725 + ... + 909870878.

It is an arithmetic number, because the mean of its divisors is an integer number (21836899248).

Almost surely, 2^140120103431 is an apocalyptic number.

140120103431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140120103431 is a deficient number, since it is larger than the sum of its proper divisors (34575090553).

140120103431 is a wasteful number, since it uses less digits than its factorization.

140120103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819741621.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 140120103431 its reverse (134301021041), we get a palindrome (274421124472).

The spelling of 140120103431 in words is "one hundred forty billion, one hundred twenty million, one hundred three thousand, four hundred thirty-one".