140231431231343 has 8 divisors (see below), whose sum is σ = 141125355405888. Its totient is φ = 139337516301984.

The previous prime is 140231431231327. The next prime is 140231431231469. The reversal of 140231431231343 is 343132134132041.

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

It is a cyclic number.

It is not a de Polignac number, because 140231431231343 - 2⁴ = 140231431231327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140231431231543) 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, 29513705 + ... + 33934077.

It is an arithmetic number, because the mean of its divisors is an integer number (17640669425736).

Almost surely, 2^{140231431231343} is an apocalyptic number.

140231431231343 is a deficient number, since it is larger than the sum of its proper divisors (893924174545).

140231431231343 is a wasteful number, since it uses less digits than its factorization.

140231431231343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622593.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 140231431231343 its reverse (343132134132041), we get a palindrome (483363565363384).

The spelling of 140231431231343 in words is "one hundred forty trillion, two hundred thirty-one billion, four hundred thirty-one million, two hundred thirty-one thousand, three hundred forty-three".