231304321142143 has 8 divisors (see below), whose sum is σ = 242851680460080. Its totient is φ = 219995051707200.

The previous prime is 231304321142101. The next prime is 231304321142173. The reversal of 231304321142143 is 341241123403132.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231304321142143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231304321142099 and 231304321142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231304321142173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59522468758 + ... + 59522472643.

It is an arithmetic number, because the mean of its divisors is an integer number (30356460057510).

Almost surely, 2^{231304321142143} is an apocalyptic number.

231304321142143 is a deficient number, since it is larger than the sum of its proper divisors (11547359317937).

231304321142143 is a wasteful number, since it uses less digits than its factorization.

231304321142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119044941497.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 231304321142143 its reverse (341241123403132), we get a palindrome (572545444545275).

The spelling of 231304321142143 in words is "two hundred thirty-one trillion, three hundred four billion, three hundred twenty-one million, one hundred forty-two thousand, one hundred forty-three".