230013321221 has 4 divisors (see below), whose sum is σ = 232048837452. Its totient is φ = 227977804992.

The previous prime is 230013321203. The next prime is 230013321247. The reversal of 230013321221 is 122123310032.

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 20694261025 + 209319060196 = 143855^2 + 457514^2 .

It is a cyclic number.

It is not a de Polignac number, because 230013321221 - 2²⁶ = 229946212357 is a prime.

It is a super-2 number, since 2×230013321221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230013321193 and 230013321202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230013351221) 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 3 ways as a sum of consecutive naturals, for example, 1017757946 + ... + 1017758171.

It is an arithmetic number, because the mean of its divisors is an integer number (58012209363).

Almost surely, 2^230013321221 is an apocalyptic number.

It is an amenable number.

230013321221 is a deficient number, since it is larger than the sum of its proper divisors (2035516231).

230013321221 is a wasteful number, since it uses less digits than its factorization.

230013321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035516230.

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

Adding to 230013321221 its reverse (122123310032), we get a palindrome (352136631253).

The spelling of 230013321221 in words is "two hundred thirty billion, thirteen million, three hundred twenty-one thousand, two hundred twenty-one".