213103132312 has 32 divisors (see below), whose sum is σ = 456722323200. Its totient is φ = 91315363104.

The previous prime is 213103132279. The next prime is 213103132331. The reversal of 213103132312 is 213231301312.

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, 55239 + ... + 655177.

It is an arithmetic number, because the mean of its divisors is an integer number (14272572600).

Almost surely, 2^213103132312 is an apocalyptic number.

It is an amenable number.

213103132312 is an abundant number, since it is smaller than the sum of its proper divisors (243619190888).

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

213103132312 is a wasteful number, since it uses less digits than its factorization.

213103132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606295 (or 606291 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213103132312 its reverse (213231301312), we get a palindrome (426334433624).

The spelling of 213103132312 in words is "two hundred thirteen billion, one hundred three million, one hundred thirty-two thousand, three hundred twelve".