230120312231 has 4 divisors (see below), whose sum is σ = 230560313352. Its totient is φ = 229680311112.

The previous prime is 230120312221. The next prime is 230120312273. The reversal of 230120312231 is 132213021032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230120312231 is a prime.

It is a super-2 number, since 2×230120312231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230120312221) 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, 219999776 + ... + 220000821.

It is an arithmetic number, because the mean of its divisors is an integer number (57640078338).

Almost surely, 2^230120312231 is an apocalyptic number.

230120312231 is a deficient number, since it is larger than the sum of its proper divisors (440001121).

230120312231 is an equidigital number, since it uses as much as digits as its factorization.

230120312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440001120.

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

Adding to 230120312231 its reverse (132213021032), we get a palindrome (362333333263).

The spelling of 230120312231 in words is "two hundred thirty billion, one hundred twenty million, three hundred twelve thousand, two hundred thirty-one".