234130013 has 4 divisors (see below), whose sum is σ = 252140028. Its totient is φ = 216120000.

The previous prime is 234129997. The next prime is 234130051. The reversal of 234130013 is 310031432.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 138344644 + 95785369 = 11762^2 + 9787^2 .

It is a cyclic number.

It is not a de Polignac number, because 234130013 - 2⁴ = 234129997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 234129973 and 234130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234130063) 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, 9004988 + ... + 9005013.

It is an arithmetic number, because the mean of its divisors is an integer number (63035007).

Almost surely, 2^234130013 is an apocalyptic number.

It is an amenable number.

234130013 is a deficient number, since it is larger than the sum of its proper divisors (18010015).

234130013 is a wasteful number, since it uses less digits than its factorization.

234130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18010014.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 234130013 is about 15301.3075585062. The cubic root of 234130013 is about 616.3381206145.

Adding to 234130013 its reverse (310031432), we get a palindrome (544161445).

The spelling of 234130013 in words is "two hundred thirty-four million, one hundred thirty thousand, thirteen".