210342404113 has 4 divisors (see below), whose sum is σ = 213790640308. Its totient is φ = 206894167920.

The previous prime is 210342404101. The next prime is 210342404197. The reversal of 210342404113 is 311404243012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65480715664 + 144861688449 = 255892^2 + 380607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210342404113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210342404213) 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, 1724118006 + ... + 1724118127.

It is an arithmetic number, because the mean of its divisors is an integer number (53447660077).

Almost surely, 2^210342404113 is an apocalyptic number.

It is an amenable number.

210342404113 is a deficient number, since it is larger than the sum of its proper divisors (3448236195).

210342404113 is an equidigital number, since it uses as much as digits as its factorization.

210342404113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448236194.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 210342404113 its reverse (311404243012), we get a palindrome (521746647125).

The spelling of 210342404113 in words is "two hundred ten billion, three hundred forty-two million, four hundred four thousand, one hundred thirteen".