2031122442 has 32 divisors (see below), whose sum is σ = 4099075200. Its totient is φ = 670924800.

The previous prime is 2031122441. The next prime is 2031122453. The reversal of 2031122442 is 2442211302.

It is not an unprimeable number, because it can be changed into a prime (2031122441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404298 + ... + 409290.

It is an arithmetic number, because the mean of its divisors is an integer number (128096100).

Almost surely, 2^2031122442 is an apocalyptic number.

2031122442 is an abundant number, since it is smaller than the sum of its proper divisors (2067952758).

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

2031122442 is a wasteful number, since it uses less digits than its factorization.

2031122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2031122442 is about 45067.9757921298. The cubic root of 2031122442 is about 1266.4227441511.

Adding to 2031122442 its reverse (2442211302), we get a palindrome (4473333744).

The spelling of 2031122442 in words is "two billion, thirty-one million, one hundred twenty-two thousand, four hundred forty-two".