213100101320 has 32 divisors (see below), whose sum is σ = 480582600120. Its totient is φ = 85043174400.

The previous prime is 213100101307. The next prime is 213100101359. The reversal of 213100101320 is 23101001312.

It can be written as a sum of positive squares in 4 ways, for example, as 96610315684 + 116489785636 = 310822^2 + 341306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213100101295 and 213100101304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6134531 + ... + 6169170.

Almost surely, 2^213100101320 is an apocalyptic number.

213100101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213100101320 is an abundant number, since it is smaller than the sum of its proper divisors (267482498800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213100101320 is a wasteful number, since it uses less digits than its factorization.

213100101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12304145 (or 12304141 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 213100101320 its reverse (23101001312), we get a palindrome (236201102632).

The spelling of 213100101320 in words is "two hundred thirteen billion, one hundred million, one hundred one thousand, three hundred twenty".