102031021330 has 64 divisors (see below), whose sum is σ = 216256158720. Its totient is φ = 33936274944.

The previous prime is 102031021289. The next prime is 102031021333. The reversal of 102031021330 is 33120130201.

It is not an unprimeable number, because it can be changed into a prime (102031021333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175687 + ... + 484693.

It is an arithmetic number, because the mean of its divisors is an integer number (3379002480).

Almost surely, 2^102031021330 is an apocalyptic number.

102031021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031021330 is an abundant number, since it is smaller than the sum of its proper divisors (114225137390).

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

102031021330 is a wasteful number, since it uses less digits than its factorization.

102031021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309163.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 102031021330 its reverse (33120130201), we get a palindrome (135151151531).

The spelling of 102031021330 in words is "one hundred two billion, thirty-one million, twenty-one thousand, three hundred thirty".