2131424434 has 8 divisors (see below), whose sum is σ = 3197461788. Its totient is φ = 1065603840.

The previous prime is 2131424431. The next prime is 2131424443. The reversal of 2131424434 is 4344241312.

It can be written as a sum of positive squares in 2 ways, for example, as 2034461025 + 96963409 = 45105^2 + 9847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2131424431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26847 + ... + 70594.

Almost surely, 2^2131424434 is an apocalyptic number.

2131424434 is a deficient number, since it is larger than the sum of its proper divisors (1066037354).

2131424434 is a wasteful number, since it uses less digits than its factorization.

2131424434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108380.

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

The square root of 2131424434 is about 46167.3524690338. The cubic root of 2131424434 is about 1286.9351019688.

Adding to 2131424434 its reverse (4344241312), we get a palindrome (6475665746).

The spelling of 2131424434 in words is "two billion, one hundred thirty-one million, four hundred twenty-four thousand, four hundred thirty-four".