2131322242 has 16 divisors (see below), whose sum is σ = 3666612672. Its totient is φ = 910194480.

The previous prime is 2131322213. The next prime is 2131322269. The reversal of 2131322242 is 2422231312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265009 + ... + 272932.

It is an arithmetic number, because the mean of its divisors is an integer number (229163292).

Almost surely, 2^2131322242 is an apocalyptic number.

2131322242 is a deficient number, since it is larger than the sum of its proper divisors (1535290430).

2131322242 is a wasteful number, since it uses less digits than its factorization.

2131322242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538233.

The product of its digits is 1152, while the sum is 22.

The square root of 2131322242 is about 46166.2456996451. The cubic root of 2131322242 is about 1286.9145341000.

Adding to 2131322242 its reverse (2422231312), we get a palindrome (4553553554).

The spelling of 2131322242 in words is "two billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred forty-two".