231232213102 has 8 divisors (see below), whose sum is σ = 378379985112. Its totient is φ = 105105551400.

The previous prime is 231232213097. The next prime is 231232213111. The reversal of 231232213102 is 201312232132.

231232213102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10510555141 = 231232213102 / (2 + 3 + 1 + 2 + 3 + 2 + 2 + 1 + 3 + 1 + 0 + 2).

It is a congruent number.

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, 5255277549 + ... + 5255277592.

It is an arithmetic number, because the mean of its divisors is an integer number (47297498139).

Almost surely, 2^231232213102 is an apocalyptic number.

231232213102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231232213102 is a deficient number, since it is larger than the sum of its proper divisors (147147772010).

231232213102 is a wasteful number, since it uses less digits than its factorization.

231232213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510555154.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231232213102 its reverse (201312232132), we get a palindrome (432544445234).

The spelling of 231232213102 in words is "two hundred thirty-one billion, two hundred thirty-two million, two hundred thirteen thousand, one hundred two".