2131021322 has 8 divisors (see below), whose sum is σ = 3196868256. Its totient is φ = 1065398572.

The previous prime is 2131021301. The next prime is 2131021331. The reversal of 2131021322 is 2231201312.

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 2131021322.

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, 29828 + ... + 71775.

It is an arithmetic number, because the mean of its divisors is an integer number (399608532).

Almost surely, 2^2131021322 is an apocalyptic number.

2131021322 is a deficient number, since it is larger than the sum of its proper divisors (1065846934).

2131021322 is a wasteful number, since it uses less digits than its factorization.

2131021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112092.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2131021322 is about 46162.9864935101. The cubic root of 2131021322 is about 1286.8539650409.

Adding to 2131021322 its reverse (2231201312), we get a palindrome (4362222634).

The spelling of 2131021322 in words is "two billion, one hundred thirty-one million, twenty-one thousand, three hundred twenty-two".