213023231130 has 64 divisors (see below), whose sum is σ = 520956184320. Its totient is φ = 55738492416.

The previous prime is 213023231059. The next prime is 213023231147. The reversal of 213023231130 is 31132320312.

It is a junction number, because it is equal to n+sod(n) for n = 213023231097 and 213023231106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20574 + ... + 653046.

It is an arithmetic number, because the mean of its divisors is an integer number (8139940380).

Almost surely, 2^213023231130 is an apocalyptic number.

213023231130 is an abundant number, since it is smaller than the sum of its proper divisors (307932953190).

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

213023231130 is a wasteful number, since it uses less digits than its factorization.

213023231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632695.

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

Adding to 213023231130 its reverse (31132320312), we get a palindrome (244155551442).

It can be divided in two parts, 213023 and 231130, that added together give a triangular number (444153 = T₉₄₂).

The spelling of 213023231130 in words is "two hundred thirteen billion, twenty-three million, two hundred thirty-one thousand, one hundred thirty".