2131235434 has 8 divisors (see below), whose sum is σ = 3365108640. Its totient is φ = 1009532556.

The previous prime is 2131235429. The next prime is 2131235527. The reversal of 2131235434 is 4345321312.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28042534 + ... + 28042609.

It is an arithmetic number, because the mean of its divisors is an integer number (420638580).

Almost surely, 2^2131235434 is an apocalyptic number.

2131235434 is a deficient number, since it is larger than the sum of its proper divisors (1233873206).

2131235434 is a wasteful number, since it uses less digits than its factorization.

2131235434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56085164.

The product of its digits is 8640, while the sum is 28.

The square root of 2131235434 is about 46165.3055226541. The cubic root of 2131235434 is about 1286.8970620051.

Adding to 2131235434 its reverse (4345321312), we get a palindrome (6476556746).

The spelling of 2131235434 in words is "two billion, one hundred thirty-one million, two hundred thirty-five thousand, four hundred thirty-four".