102003421340432 has 40 divisors (see below), whose sum is σ = 198381479194584. Its totient is φ = 50808333169664.

The previous prime is 102003421340417. The next prime is 102003421340441. The reversal of 102003421340432 is 234043124300201.

It can be written as a sum of positive squares in 4 ways, for example, as 56803293945616 + 45200127394816 = 7536796^2 + 6723104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102003421340395 and 102003421340404.

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, 8211638 + ... + 16475370.

Almost surely, 2^{102003421340432} is an apocalyptic number.

It is an amenable number.

102003421340432 is a deficient number, since it is larger than the sum of its proper divisors (96378057854152).

102003421340432 is a wasteful number, since it uses less digits than its factorization.

102003421340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266667 (or 8266661 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 102003421340432 its reverse (234043124300201), we get a palindrome (336046545640633).

The spelling of 102003421340432 in words is "one hundred two trillion, three billion, four hundred twenty-one million, three hundred forty thousand, four hundred thirty-two".