230310313021 has 4 divisors (see below), whose sum is σ = 230624516092. Its totient is φ = 229996109952.

The previous prime is 230310312979. The next prime is 230310313027. The reversal of 230310313021 is 120313013032.

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 200627847225 + 29682465796 = 447915^2 + 172286^2 .

It is a cyclic number.

It is not a de Polignac number, because 230310313021 - 2¹¹ = 230310310973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230310313021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230310313027) 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, 157100436 + ... + 157101901.

It is an arithmetic number, because the mean of its divisors is an integer number (57656129023).

Almost surely, 2^230310313021 is an apocalyptic number.

It is an amenable number.

230310313021 is a deficient number, since it is larger than the sum of its proper divisors (314203071).

230310313021 is an equidigital number, since it uses as much as digits as its factorization.

230310313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314203070.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 230310313021 its reverse (120313013032), we get a palindrome (350623326053).

The spelling of 230310313021 in words is "two hundred thirty billion, three hundred ten million, three hundred thirteen thousand, twenty-one".