230134310021 has 16 divisors (see below), whose sum is σ = 286999807488. Its totient is φ = 179275993200.

The previous prime is 230134309997. The next prime is 230134310053. The reversal of 230134310021 is 120013431032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230134310021 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 = 230134309975 and 230134310002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230134310221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129695 + ... + 690716.

It is an arithmetic number, because the mean of its divisors is an integer number (17937487968).

Almost surely, 2^230134310021 is an apocalyptic number.

It is an amenable number.

230134310021 is a deficient number, since it is larger than the sum of its proper divisors (56865497467).

230134310021 is a wasteful number, since it uses less digits than its factorization.

230134310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824072.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 230134310021 its reverse (120013431032), we get a palindrome (350147741053).

The spelling of 230134310021 in words is "two hundred thirty billion, one hundred thirty-four million, three hundred ten thousand, twenty-one".