230121302013 has 12 divisors (see below), whose sum is σ = 341381151228. Its totient is φ = 149267871360.

The previous prime is 230121301999. The next prime is 230121302039. The reversal of 230121302013 is 310203121032.

230121302013 is a `hidden beast` number, since 230 + 121 + 302 + 0 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 202786301124 + 27335000889 = 450318^2 + 165333^2 .

It is not a de Polignac number, because 230121302013 - 2⁴ = 230121301997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121302053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345527148 + ... + 345527813.

It is an arithmetic number, because the mean of its divisors is an integer number (28448429269).

Almost surely, 2^230121302013 is an apocalyptic number.

It is an amenable number.

230121302013 is a deficient number, since it is larger than the sum of its proper divisors (111259849215).

230121302013 is a wasteful number, since it uses less digits than its factorization.

230121302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691055004 (or 691055001 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 230121302013 its reverse (310203121032), we get a palindrome (540324423045).

The spelling of 230121302013 in words is "two hundred thirty billion, one hundred twenty-one million, three hundred two thousand, thirteen".