102531430043394 has 32 divisors (see below), whose sum is σ = 223767408755520. Its totient is φ = 31061453860800.

The previous prime is 102531430043389. The next prime is 102531430043489. The reversal of 102531430043394 is 493340034135201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 216673249 + ... + 217145940.

It is an arithmetic number, because the mean of its divisors is an integer number (6992731523610).

Almost surely, 2^{102531430043394} is an apocalyptic number.

102531430043394 is an abundant number, since it is smaller than the sum of its proper divisors (121235978712126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102531430043394 is a wasteful number, since it uses less digits than its factorization.

102531430043394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433822786.

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 102531430043394 its reverse (493340034135201), we get a palindrome (595871464178595).

The spelling of 102531430043394 in words is "one hundred two trillion, five hundred thirty-one billion, four hundred thirty million, forty-three thousand, three hundred ninety-four".