102131031332220 has 384 divisors, whose sum is σ = 333155959234560. Its totient is φ = 23127771448320.

The previous prime is 102131031332207. The next prime is 102131031332237. The reversal of 102131031332220 is 22233130131201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5364860542 + ... + 5364879578.

It is an arithmetic number, because the mean of its divisors is an integer number (867593643840).

Almost surely, 2^{102131031332220} is an apocalyptic number.

102131031332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102131031332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166577979617280).

102131031332220 is an abundant number, since it is smaller than the sum of its proper divisors (231024927902340).

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

102131031332220 is a wasteful number, since it uses less digits than its factorization.

102131031332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345 (or 27343 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 102131031332220 its reverse (22233130131201), we get a palindrome (124364161463421).

The spelling of 102131031332220 in words is "one hundred two trillion, one hundred thirty-one billion, thirty-one million, three hundred thirty-two thousand, two hundred twenty".