231301230102 has 56 divisors (see below), whose sum is σ = 523305263376. Its totient is φ = 76638650256.

The previous prime is 231301229989. The next prime is 231301230103. The reversal of 231301230102 is 201032103132.

231301230102 is a `hidden beast` number, since 2 + 31 + 301 + 230 + 102 = 666.

231301230102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301230103) 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 27 ways as a sum of consecutive naturals, for example, 231493 + ... + 718464.

It is an arithmetic number, because the mean of its divisors is an integer number (9344736846).

Almost surely, 2^231301230102 is an apocalyptic number.

231301230102 is an abundant number, since it is smaller than the sum of its proper divisors (292004033274).

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

231301230102 is an equidigital number, since it uses as much as digits as its factorization.

231301230102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950144 (or 950129 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231301230102 its reverse (201032103132), we get a palindrome (432333333234).

The spelling of 231301230102 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, one hundred two".