102102430402 has 16 divisors (see below), whose sum is σ = 179763353280. Its totient is φ = 42575530608.

The previous prime is 102102430393. The next prime is 102102430481. The reversal of 102102430402 is 204034201201.

102102430402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 102102430402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98553952 + ... + 98554987.

It is an arithmetic number, because the mean of its divisors is an integer number (11235209580).

Almost surely, 2^102102430402 is an apocalyptic number.

102102430402 is a deficient number, since it is larger than the sum of its proper divisors (77660922878).

102102430402 is a wasteful number, since it uses less digits than its factorization.

102102430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197108985.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 102102430402 its reverse (204034201201), we get a palindrome (306136631603).

The spelling of 102102430402 in words is "one hundred two billion, one hundred two million, four hundred thirty thousand, four hundred two".