210013113 has 4 divisors (see below), whose sum is σ = 280017488. Its totient is φ = 140008740.

The previous prime is 210013109. The next prime is 210013117. The reversal of 210013113 is 311310012.

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 an interprime number because it is at equal distance from previous prime (210013109) and next prime (210013117).

It is not a de Polignac number, because 210013113 - 2² = 210013109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210013117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35002183 + ... + 35002188.

It is an arithmetic number, because the mean of its divisors is an integer number (70004372).

Almost surely, 2^210013113 is an apocalyptic number.

It is an amenable number.

210013113 is a deficient number, since it is larger than the sum of its proper divisors (70004375).

210013113 is an equidigital number, since it uses as much as digits as its factorization.

210013113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70004374.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 210013113 is about 14491.8291806107. The cubic root of 210013113 is about 594.4045668678.

Adding to 210013113 its reverse (311310012), we get a palindrome (521323125).

The spelling of 210013113 in words is "two hundred ten million, thirteen thousand, one hundred thirteen".