102328310881 has 4 divisors (see below), whose sum is σ = 102328971264. Its totient is φ = 102327650500.

The previous prime is 102328310869. The next prime is 102328310897. The reversal of 102328310881 is 188013823201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102328310881 - 2¹³ = 102328302689 is a prime.

It is a super-2 number, since 2×102328310881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102328310881.

It is not an unprimeable number, because it can be changed into a prime (102328310831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42336 + ... + 454366.

It is an arithmetic number, because the mean of its divisors is an integer number (25582242816).

Almost surely, 2^102328310881 is an apocalyptic number.

It is an amenable number.

102328310881 is a deficient number, since it is larger than the sum of its proper divisors (660383).

102328310881 is an equidigital number, since it uses as much as digits as its factorization.

102328310881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660382.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 102328310881 in words is "one hundred two billion, three hundred twenty-eight million, three hundred ten thousand, eight hundred eighty-one".