102020321030310 has 128 divisors (see below), whose sum is σ = 274063987814400. Its totient is φ = 27004892376960.

The previous prime is 102020321030249. The next prime is 102020321030311. The reversal of 102020321030310 is 13030123020201.

102020321030310 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 2 + 0 + 321 + 0 + 30 + 310 = 666.

It is a super-2 number, since 2×102020321030310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020321030311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30846280 + ... + 33993140.

It is an arithmetic number, because the mean of its divisors is an integer number (2141124904800).

Almost surely, 2^{102020321030310} is an apocalyptic number.

102020321030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020321030310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137031993907200).

102020321030310 is an abundant number, since it is smaller than the sum of its proper divisors (172043666784090).

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

102020321030310 is a wasteful number, since it uses less digits than its factorization.

102020321030310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147763 (or 3147757 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102020321030310 its reverse (13030123020201), we get a palindrome (115050444050511).

The spelling of 102020321030310 in words is "one hundred two trillion, twenty billion, three hundred twenty-one million, thirty thousand, three hundred ten".