102534531530 has 32 divisors (see below), whose sum is σ = 192621521664. Its totient is φ = 39223489536.

The previous prime is 102534531521. The next prime is 102534531551. The reversal of 102534531530 is 35135435201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331747 + ... + 1406633.

It is an arithmetic number, because the mean of its divisors is an integer number (6019422552).

Almost surely, 2^102534531530 is an apocalyptic number.

102534531530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102534531530 is a deficient number, since it is larger than the sum of its proper divisors (90086990134).

102534531530 is a wasteful number, since it uses less digits than its factorization.

102534531530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80870.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 102534531530 its reverse (35135435201), we get a palindrome (137669966731).

The spelling of 102534531530 in words is "one hundred two billion, five hundred thirty-four million, five hundred thirty-one thousand, five hundred thirty".