140321324231 has 8 divisors (see below), whose sum is σ = 162082385424. Its totient is φ = 120061025920.

The previous prime is 140321324203. The next prime is 140321324263. The reversal of 140321324231 is 132423123041.

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

It is a de Polignac number, because none of the positive numbers 2^k-140321324231 is a prime.

It is a super-2 number, since 2×140321324231² (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 140321324231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140321324431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375190520 + ... + 375190893.

It is an arithmetic number, because the mean of its divisors is an integer number (20260298178).

Almost surely, 2^140321324231 is an apocalyptic number.

140321324231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140321324231 is a deficient number, since it is larger than the sum of its proper divisors (21761061193).

140321324231 is a wasteful number, since it uses less digits than its factorization.

140321324231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750381441.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 140321324231 its reverse (132423123041), we get a palindrome (272744447272).

The spelling of 140321324231 in words is "one hundred forty billion, three hundred twenty-one million, three hundred twenty-four thousand, two hundred thirty-one".