210312102143 has 64 divisors (see below), whose sum is σ = 261769052160. Its totient is φ = 166247769600.

The previous prime is 210312102139. The next prime is 210312102149. The reversal of 210312102143 is 341201213012.

It is not a de Polignac number, because 210312102143 - 2² = 210312102139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210312102149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62018978 + ... + 62022368.

It is an arithmetic number, because the mean of its divisors is an integer number (4090141440).

Almost surely, 2^210312102143 is an apocalyptic number.

210312102143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

210312102143 is a deficient number, since it is larger than the sum of its proper divisors (51456950017).

210312102143 is a wasteful number, since it uses less digits than its factorization.

210312102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210312102143 its reverse (341201213012), we get a palindrome (551513315155).

The spelling of 210312102143 in words is "two hundred ten billion, three hundred twelve million, one hundred two thousand, one hundred forty-three".