213102112013 has 8 divisors (see below), whose sum is σ = 244066784832. Its totient is φ = 182267817696.

The previous prime is 213102111931. The next prime is 213102112019. The reversal of 213102112013 is 310211201312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213102112013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213102111982 and 213102112000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102112019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32591120 + ... + 32597657.

It is an arithmetic number, because the mean of its divisors is an integer number (30508348104).

Almost surely, 2^213102112013 is an apocalyptic number.

It is an amenable number.

213102112013 is a deficient number, since it is larger than the sum of its proper divisors (30964672819).

213102112013 is an equidigital number, since it uses as much as digits as its factorization.

213102112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65189251.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213102112013 its reverse (310211201312), we get a palindrome (523313313325).

The spelling of 213102112013 in words is "two hundred thirteen billion, one hundred two million, one hundred twelve thousand, thirteen".