2131442434 has 32 divisors (see below), whose sum is σ = 3515529600. Its totient is φ = 961171200.

The previous prime is 2131442431. The next prime is 2131442449. The reversal of 2131442434 is 4342441312.

It is not an unprimeable number, because it can be changed into a prime (2131442431) 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, 2595744 + ... + 2596564.

It is an arithmetic number, because the mean of its divisors is an integer number (109860300).

Almost surely, 2^2131442434 is an apocalyptic number.

2131442434 is a deficient number, since it is larger than the sum of its proper divisors (1384087166).

2131442434 is a wasteful number, since it uses less digits than its factorization.

2131442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 9216, while the sum is 28.

The square root of 2131442434 is about 46167.5474115747. The cubic root of 2131442434 is about 1286.9387247052.

Adding to 2131442434 its reverse (4342441312), we get a palindrome (6473883746).

The spelling of 2131442434 in words is "two billion, one hundred thirty-one million, four hundred forty-two thousand, four hundred thirty-four".