102002431321324 has 6 divisors (see below), whose sum is σ = 178504254812324. Its totient is φ = 51001215660660.

The previous prime is 102002431321303. The next prime is 102002431321331. The reversal of 102002431321324 is 423123134200201.

It is a super-2 number, since 2×102002431321324² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102002431321292 and 102002431321301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750303915162 + ... + 12750303915169.

Almost surely, 2^{102002431321324} is an apocalyptic number.

It is an amenable number.

102002431321324 is a deficient number, since it is larger than the sum of its proper divisors (76501823491000).

102002431321324 is a wasteful number, since it uses less digits than its factorization.

102002431321324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500607830335 (or 25500607830333 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 102002431321324 its reverse (423123134200201), we get a palindrome (525125565521525).

The spelling of 102002431321324 in words is "one hundred two trillion, two billion, four hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty-four".