102311302321140 has 192 divisors, whose sum is σ = 313284130790400. Its totient is φ = 24741686108160.

The previous prime is 102311302321139. The next prime is 102311302321157. The reversal of 102311302321140 is 41123203113201.

It is a self number, because there is not a number n which added to its sum of digits gives 102311302321140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1335566079 + ... + 1335642681.

It is an arithmetic number, because the mean of its divisors is an integer number (1631688181200).

Almost surely, 2^{102311302321140} is an apocalyptic number.

102311302321140 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 102311302321140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156642065395200).

102311302321140 is an abundant number, since it is smaller than the sum of its proper divisors (210972828469260).

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

102311302321140 is a wasteful number, since it uses less digits than its factorization.

102311302321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81582 (or 81580 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 102311302321140 its reverse (41123203113201), we get a palindrome (143434505434341).

The spelling of 102311302321140 in words is "one hundred two trillion, three hundred eleven billion, three hundred two million, three hundred twenty-one thousand, one hundred forty".