2131284434 has 16 divisors (see below), whose sum is σ = 3285793728. Its totient is φ = 1036063152.

The previous prime is 2131284433. The next prime is 2131284469. The reversal of 2131284434 is 4344821312.

It is a super-2 number, since 2×2131284434² = 9084746677221400712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2131284434.

It is not an unprimeable number, because it can be changed into a prime (2131284431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95507 + ... + 115689.

It is an arithmetic number, because the mean of its divisors is an integer number (205362108).

Almost surely, 2^2131284434 is an apocalyptic number.

2131284434 is a deficient number, since it is larger than the sum of its proper divisors (1154509294).

2131284434 is a wasteful number, since it uses less digits than its factorization.

2131284434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21649.

The product of its digits is 18432, while the sum is 32.

The square root of 2131284434 is about 46165.8362211712. The cubic root of 2131284434 is about 1286.9069244339.

The spelling of 2131284434 in words is "two billion, one hundred thirty-one million, two hundred eighty-four thousand, four hundred thirty-four".