231433220102 has 16 divisors (see below), whose sum is σ = 405183997440. Its totient is φ = 97075332168.

The previous prime is 231433220099. The next prime is 231433220107. The reversal of 231433220102 is 201022334132.

231433220102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231433220102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231433220107) 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 7 ways as a sum of consecutive naturals, for example, 175860452 + ... + 175861767.

It is an arithmetic number, because the mean of its divisors is an integer number (25323999840).

Almost surely, 2^231433220102 is an apocalyptic number.

231433220102 is a deficient number, since it is larger than the sum of its proper divisors (173750777338).

231433220102 is a wasteful number, since it uses less digits than its factorization.

231433220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351722275.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231433220102 its reverse (201022334132), we get a palindrome (432455554234).

The spelling of 231433220102 in words is "two hundred thirty-one billion, four hundred thirty-three million, two hundred twenty thousand, one hundred two".