2134231231 has 4 divisors (see below), whose sum is σ = 2328252264. Its totient is φ = 1940210200.

The previous prime is 2134231219. The next prime is 2134231237. The reversal of 2134231231 is 1321324312.

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 2134231231 - 2⁹ = 2134230719 is a prime.

It is a super-2 number, since 2×2134231231² = 9109885894751550722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134231237) 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, 97010500 + ... + 97010521.

It is an arithmetic number, because the mean of its divisors is an integer number (582063066).

Almost surely, 2^2134231231 is an apocalyptic number.

2134231231 is a deficient number, since it is larger than the sum of its proper divisors (194021033).

2134231231 is a wasteful number, since it uses less digits than its factorization.

2134231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194021032.

The product of its digits is 864, while the sum is 22.

The square root of 2134231231 is about 46197.7405399875. The cubic root of 2134231231 is about 1287.4997605303.

Adding to 2134231231 its reverse (1321324312), we get a palindrome (3455555543).

The spelling of 2134231231 in words is "two billion, one hundred thirty-four million, two hundred thirty-one thousand, two hundred thirty-one".