231302104420 has 12 divisors (see below), whose sum is σ = 485734419324. Its totient is φ = 92520841760.

The previous prime is 231302104403. The next prime is 231302104457. The reversal of 231302104420 is 24401203132.

231302104420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 66420629284 + 164881475136 = 257722^2 + 406056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231302104391 and 231302104400.

It is an unprimeable number.

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, 5782552591 + ... + 5782552630.

It is an arithmetic number, because the mean of its divisors is an integer number (40477868277).

Almost surely, 2^231302104420 is an apocalyptic number.

231302104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231302104420 is an abundant number, since it is smaller than the sum of its proper divisors (254432314904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231302104420 is a wasteful number, since it uses less digits than its factorization.

231302104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565105230 (or 11565105228 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231302104420 its reverse (24401203132), we get a palindrome (255703307552).

The spelling of 231302104420 in words is "two hundred thirty-one billion, three hundred two million, one hundred four thousand, four hundred twenty".