230315375521 has 16 divisors (see below), whose sum is σ = 289934281728. Its totient is φ = 177724126800.

The previous prime is 230315375497. The next prime is 230315375567. The reversal of 230315375521 is 125573513032.

It is not a de Polignac number, because 230315375521 - 2⁷ = 230315375393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230315375581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14512015 + ... + 14527876.

It is an arithmetic number, because the mean of its divisors is an integer number (18120892608).

Almost surely, 2^230315375521 is an apocalyptic number.

It is an amenable number.

230315375521 is a deficient number, since it is larger than the sum of its proper divisors (59618906207).

230315375521 is a wasteful number, since it uses less digits than its factorization.

230315375521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040012.

The product of its (nonzero) digits is 94500, while the sum is 37.

Adding to 230315375521 its reverse (125573513032), we get a palindrome (355888888553).

The spelling of 230315375521 in words is "two hundred thirty billion, three hundred fifteen million, three hundred seventy-five thousand, five hundred twenty-one".