213100321113 has 12 divisors (see below), whose sum is σ = 312028172820. Its totient is φ = 140120758656.

The previous prime is 213100321097. The next prime is 213100321121. The reversal of 213100321113 is 311123001312.

213100321113 is a `hidden beast` number, since 21 + 310 + 0 + 321 + 1 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38870882649 + 174229438464 = 197157^2 + 417408^2 .

It is not a de Polignac number, because 213100321113 - 2⁴ = 213100321097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213100321193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162176148 + ... + 162177461.

It is an arithmetic number, because the mean of its divisors is an integer number (26002347735).

Almost surely, 2^213100321113 is an apocalyptic number.

It is an amenable number.

213100321113 is a deficient number, since it is larger than the sum of its proper divisors (98927851707).

213100321113 is a wasteful number, since it uses less digits than its factorization.

213100321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324353688 (or 324353685 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213100321113 its reverse (311123001312), we get a palindrome (524223322425).

The spelling of 213100321113 in words is "two hundred thirteen billion, one hundred million, three hundred twenty-one thousand, one hundred thirteen".