213103131322 has 8 divisors (see below), whose sum is σ = 319676461236. Its totient is φ = 106544310912.

The previous prime is 213103131247. The next prime is 213103131349. The reversal of 213103131322 is 223131301312.

It can be written as a sum of positive squares in 2 ways, for example, as 183535984921 + 29567146401 = 428411^2 + 171951^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 213103131293 and 213103131302.

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, 3590583 + ... + 3649450.

Almost surely, 2^213103131322 is an apocalyptic number.

213103131322 is a deficient number, since it is larger than the sum of its proper divisors (106573329914).

213103131322 is a wasteful number, since it uses less digits than its factorization.

213103131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254752.

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

Adding to 213103131322 its reverse (223131301312), we get a palindrome (436234432634).

The spelling of 213103131322 in words is "two hundred thirteen billion, one hundred three million, one hundred thirty-one thousand, three hundred twenty-two".