230220232311 has 4 divisors (see below), whose sum is σ = 306960309752. Its totient is φ = 153480154872.

The previous prime is 230220232303. The next prime is 230220232321. The reversal of 230220232311 is 113232022032.

It is a happy number.

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

It is not a de Polignac number, because 230220232311 - 2³ = 230220232303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230220232321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38370038716 + ... + 38370038721.

It is an arithmetic number, because the mean of its divisors is an integer number (76740077438).

Almost surely, 2^230220232311 is an apocalyptic number.

230220232311 is a deficient number, since it is larger than the sum of its proper divisors (76740077441).

230220232311 is an equidigital number, since it uses as much as digits as its factorization.

230220232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76740077440.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 230220232311 its reverse (113232022032), we get a palindrome (343452254343).

The spelling of 230220232311 in words is "two hundred thirty billion, two hundred twenty million, two hundred thirty-two thousand, three hundred eleven".