213112031322 has 8 divisors (see below), whose sum is σ = 426224062656. Its totient is φ = 71037343772.

The previous prime is 213112031311. The next prime is 213112031351. The reversal of 213112031322 is 223130211312.

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

213112031322 is an admirable number.

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, 17759335938 + ... + 17759335949.

It is an arithmetic number, because the mean of its divisors is an integer number (53278007832).

Almost surely, 2^213112031322 is an apocalyptic number.

213112031322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213112031322 is a wasteful number, since it uses less digits than its factorization.

213112031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35518671892.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213112031322 its reverse (223130211312), we get a palindrome (436242242634).

The spelling of 213112031322 in words is "two hundred thirteen billion, one hundred twelve million, thirty-one thousand, three hundred twenty-two".