213103031122 has 8 divisors (see below), whose sum is σ = 320544950400. Its totient is φ = 106254714324.

The previous prime is 213103031083. The next prime is 213103031159. The reversal of 213103031122 is 221130301312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213103031122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148399722 + ... + 148401157.

It is an arithmetic number, because the mean of its divisors is an integer number (40068118800).

Almost surely, 2^213103031122 is an apocalyptic number.

213103031122 is a deficient number, since it is larger than the sum of its proper divisors (107441919278).

213103031122 is a wasteful number, since it uses less digits than its factorization.

213103031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296801240.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213103031122 its reverse (221130301312), we get a palindrome (434233332434).

The spelling of 213103031122 in words is "two hundred thirteen billion, one hundred three million, thirty-one thousand, one hundred twenty-two".