2131303222 has 4 divisors (see below), whose sum is σ = 3196954836. Its totient is φ = 1065651610.

The previous prime is 2131303199. The next prime is 2131303249. The reversal of 2131303222 is 2223031312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2131303222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532825804 + ... + 532825807.

It is an arithmetic number, because the mean of its divisors is an integer number (799238709).

Almost surely, 2^2131303222 is an apocalyptic number.

2131303222 is a deficient number, since it is larger than the sum of its proper divisors (1065651614).

2131303222 is a wasteful number, since it uses less digits than its factorization.

2131303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065651613.

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

The square root of 2131303222 is about 46166.0397045274. The cubic root of 2131303222 is about 1286.9107059307.

Adding to 2131303222 its reverse (2223031312), we get a palindrome (4354334534).

The spelling of 2131303222 in words is "two billion, one hundred thirty-one million, three hundred three thousand, two hundred twenty-two".