212331131130 has 64 divisors (see below), whose sum is σ = 531870105600. Its totient is φ = 54147694656.

The previous prime is 212331131113. The next prime is 212331131141. The reversal of 212331131130 is 31131133212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212331131097 and 212331131106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3279249 + ... + 3343371.

It is an arithmetic number, because the mean of its divisors is an integer number (8310470400).

Almost surely, 2^212331131130 is an apocalyptic number.

212331131130 is an abundant number, since it is smaller than the sum of its proper divisors (319538974470).

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

212331131130 is a wasteful number, since it uses less digits than its factorization.

212331131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68955.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 212331131130 its reverse (31131133212), we get a palindrome (243462264342).

The spelling of 212331131130 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty".