220231230312103 has 4 divisors (see below), whose sum is σ = 220708955324088. Its totient is φ = 219753505300120.

The previous prime is 220231230312097. The next prime is 220231230312143. The reversal of 220231230312103 is 301213032132022.

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

It is a cyclic number.

It is not a de Polignac number, because 220231230312103 - 2¹³ = 220231230303911 is a prime.

It is a super-3 number, since 3×220231230312103³ (a number of 44 digits) contains 333 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 (220231230312143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238862505301 + ... + 238862506222.

It is an arithmetic number, because the mean of its divisors is an integer number (55177238831022).

Almost surely, 2^{220231230312103} is an apocalyptic number.

220231230312103 is a deficient number, since it is larger than the sum of its proper divisors (477725011985).

220231230312103 is an equidigital number, since it uses as much as digits as its factorization.

220231230312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477725011984.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 220231230312103 its reverse (301213032132022), we get a palindrome (521444262444125).

The spelling of 220231230312103 in words is "two hundred twenty trillion, two hundred thirty-one billion, two hundred thirty million, three hundred twelve thousand, one hundred three".