140344331311 has 16 divisors (see below), whose sum is σ = 145541430720. Its totient is φ = 135235077120.

The previous prime is 140344331297. The next prime is 140344331359. The reversal of 140344331311 is 113133443041.

It is a cyclic number.

It is not a de Polignac number, because 140344331311 - 2⁵ = 140344331279 is a prime.

It is a super-2 number, since 2×140344331311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140344331311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140344331381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3398590 + ... + 3439636.

It is an arithmetic number, because the mean of its divisors is an integer number (9096339420).

Almost surely, 2^140344331311 is an apocalyptic number.

140344331311 is a deficient number, since it is larger than the sum of its proper divisors (5197099409).

140344331311 is an equidigital number, since it uses as much as digits as its factorization.

140344331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42114.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 140344331311 its reverse (113133443041), we get a palindrome (253477774352).

The spelling of 140344331311 in words is "one hundred forty billion, three hundred forty-four million, three hundred thirty-one thousand, three hundred eleven".