140343334231 has 16 divisors (see below), whose sum is σ = 146955466944. Its totient is φ = 133774147584.

The previous prime is 140343334181. The next prime is 140343334361. The reversal of 140343334231 is 132433343041.

140343334231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140343334231 is a prime.

It is a super-2 number, since 2×140343334231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140343334193 and 140343334202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140343334931) 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 15 ways as a sum of consecutive naturals, for example, 21335215 + ... + 21341791.

It is an arithmetic number, because the mean of its divisors is an integer number (9184716684).

Almost surely, 2^140343334231 is an apocalyptic number.

140343334231 is a deficient number, since it is larger than the sum of its proper divisors (6612132713).

140343334231 is a wasteful number, since it uses less digits than its factorization.

140343334231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 140343334231 its reverse (132433343041), we get a palindrome (272776677272).

The spelling of 140343334231 in words is "one hundred forty billion, three hundred forty-three million, three hundred thirty-four thousand, two hundred thirty-one".