231002303143 has 2 divisors, whose sum is σ = 231002303144. Its totient is φ = 231002303142.

The previous prime is 231002303011. The next prime is 231002303333. The reversal of 231002303143 is 341303200132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231002303143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231002303743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115501151571 + 115501151572.

It is an arithmetic number, because the mean of its divisors is an integer number (115501151572).

Almost surely, 2^231002303143 is an apocalyptic number.

231002303143 is a deficient number, since it is larger than the sum of its proper divisors (1).

231002303143 is an equidigital number, since it uses as much as digits as its factorization.

231002303143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231002303143 its reverse (341303200132), we get a palindrome (572305503275).

The spelling of 231002303143 in words is "two hundred thirty-one billion, two million, three hundred three thousand, one hundred forty-three".