2134345231 has 4 divisors (see below), whose sum is σ = 2155477464. Its totient is φ = 2113213000.

The previous prime is 2134345217. The next prime is 2134345267. The reversal of 2134345231 is 1325434312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2134345231 - 2¹³ = 2134337039 is a prime.

It is a super-2 number, since 2×2134345231² = 9110859130184886722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134345231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134345211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10565965 + ... + 10566166.

It is an arithmetic number, because the mean of its divisors is an integer number (538869366).

Almost surely, 2^2134345231 is an apocalyptic number.

2134345231 is a deficient number, since it is larger than the sum of its proper divisors (21132233).

2134345231 is a wasteful number, since it uses less digits than its factorization.

2134345231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21132232.

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

The square root of 2134345231 is about 46198.9743500870. The cubic root of 2134345231 is about 1287.5226840632.

Adding to 2134345231 its reverse (1325434312), we get a palindrome (3459779543).

The spelling of 2134345231 in words is "two billion, one hundred thirty-four million, three hundred forty-five thousand, two hundred thirty-one".