210342034013 has 4 divisors (see below), whose sum is σ = 210977508768. Its totient is φ = 209706559260.

The previous prime is 210342034009. The next prime is 210342034031. The reversal of 210342034013 is 310430243012.

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 210342034013 - 2² = 210342034009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 210342034013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210342031013) 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, 317736881 + ... + 317737542.

It is an arithmetic number, because the mean of its divisors is an integer number (52744377192).

Almost surely, 2^210342034013 is an apocalyptic number.

It is an amenable number.

210342034013 is a deficient number, since it is larger than the sum of its proper divisors (635474755).

210342034013 is an equidigital number, since it uses as much as digits as its factorization.

210342034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635474754.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 210342034013 its reverse (310430243012), we get a palindrome (520772277025).

The spelling of 210342034013 in words is "two hundred ten billion, three hundred forty-two million, thirty-four thousand, thirteen".