102311231321100 has 288 divisors, whose sum is σ = 303497257432320. Its totient is φ = 26603544591360.

The previous prime is 102311231321083. The next prime is 102311231321119. The reversal of 102311231321100 is 1123132113201.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 796237459 + ... + 796365941.

It is an arithmetic number, because the mean of its divisors is an integer number (1053809921640).

Almost surely, 2^{102311231321100} is an apocalyptic number.

102311231321100 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 102311231321100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151748628716160).

102311231321100 is an abundant number, since it is smaller than the sum of its proper divisors (201186026111220).

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

102311231321100 is a wasteful number, since it uses less digits than its factorization.

102311231321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128969 (or 128962 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 102311231321100 its reverse (1123132113201), we get a palindrome (103434363434301).

The spelling of 102311231321100 in words is "one hundred two trillion, three hundred eleven billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred".