210143013 has 4 divisors (see below), whose sum is σ = 280190688. Its totient is φ = 140095340.

The previous prime is 210143009. The next prime is 210143029. The reversal of 210143013 is 310341012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210143013 - 2² = 210143009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210142983 and 210143001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210143033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35023833 + ... + 35023838.

It is an arithmetic number, because the mean of its divisors is an integer number (70047672).

Almost surely, 2^210143013 is an apocalyptic number.

It is an amenable number.

210143013 is a deficient number, since it is larger than the sum of its proper divisors (70047675).

210143013 is an equidigital number, since it uses as much as digits as its factorization.

210143013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70047674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 210143013 is about 14496.3103236651. The cubic root of 210143013 is about 594.5270945169.

Adding to 210143013 its reverse (310341012), we get a palindrome (520484025).

The spelling of 210143013 in words is "two hundred ten million, one hundred forty-three thousand, thirteen".