102002231440432 has 20 divisors (see below), whose sum is σ = 197703985123696. Its totient is φ = 50981848182720.

The previous prime is 102002231440427. The next prime is 102002231440433. The reversal of 102002231440432 is 234044132200201.

It is a self number, because there is not a number n which added to its sum of digits gives 102002231440432.

It is not an unprimeable number, because it can be changed into a prime (102002231440433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204177419 + ... + 1204262122.

Almost surely, 2^{102002231440432} is an apocalyptic number.

It is an amenable number.

102002231440432 is a deficient number, since it is larger than the sum of its proper divisors (95701753683264).

102002231440432 is a wasteful number, since it uses less digits than its factorization.

102002231440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408442196 (or 2408442190 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 102002231440432 its reverse (234044132200201), we get a palindrome (336046363640633).

The spelling of 102002231440432 in words is "one hundred two trillion, two billion, two hundred thirty-one million, four hundred forty thousand, four hundred thirty-two".