213123132030 has 16 divisors (see below), whose sum is σ = 511495516944. Its totient is φ = 56832835200.

The previous prime is 213123132029. The next prime is 213123132049. The reversal of 213123132030 is 30231321312.

It is a junction number, because it is equal to n+sod(n) for n = 213123131988 and 213123132006.

It is a congruent number.

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, 3552052171 + ... + 3552052230.

It is an arithmetic number, because the mean of its divisors is an integer number (31968469809).

Almost surely, 2^213123132030 is an apocalyptic number.

213123132030 is an abundant number, since it is smaller than the sum of its proper divisors (298372384914).

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

213123132030 is a wasteful number, since it uses less digits than its factorization.

213123132030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104104411.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213123132030 its reverse (30231321312), we get a palindrome (243354453342).

The spelling of 213123132030 in words is "two hundred thirteen billion, one hundred twenty-three million, one hundred thirty-two thousand, thirty".