216130013 has 16 divisors (see below), whose sum is σ = 239112000. Its totient is φ = 193726080.

The previous prime is 216130009. The next prime is 216130037. The reversal of 216130013 is 310031612.

It is a cyclic number.

It is not a de Polignac number, because 216130013 - 2² = 216130009 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 = 216129973 and 216130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216130063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266753 + ... + 267561.

It is an arithmetic number, because the mean of its divisors is an integer number (14944500).

Almost surely, 2^216130013 is an apocalyptic number.

It is an amenable number.

216130013 is a deficient number, since it is larger than the sum of its proper divisors (22981987).

216130013 is a wasteful number, since it uses less digits than its factorization.

216130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 216130013 is about 14701.3609233975. The cubic root of 216130013 is about 600.1203582623.

Adding to 216130013 its reverse (310031612), we get a palindrome (526161625).

The spelling of 216130013 in words is "two hundred sixteen million, one hundred thirty thousand, thirteen".