213111103013 has 8 divisors (see below), whose sum is σ = 222408281088. Its totient is φ = 203816548144.

The previous prime is 213111102949. The next prime is 213111103019. The reversal of 213111103013 is 310301111312.

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

It is a cyclic number.

It is not a de Polignac number, because 213111103013 - 2⁶ = 213111102949 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 = 213111102982 and 213111103000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111103019) 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, 488870 + ... + 815607.

It is an arithmetic number, because the mean of its divisors is an integer number (27801035136).

Almost surely, 2^213111103013 is an apocalyptic number.

213111103013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213111103013 is a deficient number, since it is larger than the sum of its proper divisors (9297178075).

213111103013 is a wasteful number, since it uses less digits than its factorization.

213111103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311603.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 213111103013 its reverse (310301111312), we get a palindrome (523412214325).

The spelling of 213111103013 in words is "two hundred thirteen billion, one hundred eleven million, one hundred three thousand, thirteen".