2131023322 has 4 divisors (see below), whose sum is σ = 3196534986. Its totient is φ = 1065511660.

The previous prime is 2131023319. The next prime is 2131023397. The reversal of 2131023322 is 2233201312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1710732321 + 420291001 = 41361^2 + 20501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2131023322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532755829 + ... + 532755832.

Almost surely, 2^2131023322 is an apocalyptic number.

2131023322 is a deficient number, since it is larger than the sum of its proper divisors (1065511664).

2131023322 is a wasteful number, since it uses less digits than its factorization.

2131023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065511663.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2131023322 is about 46163.0081558817. The cubic root of 2131023322 is about 1286.8543676190.

Adding to 2131023322 its reverse (2233201312), we get a palindrome (4364224634).

The spelling of 2131023322 in words is "two billion, one hundred thirty-one million, twenty-three thousand, three hundred twenty-two".