102100331023 has 4 divisors (see below), whose sum is σ = 102101115688. Its totient is φ = 102099546360.

The previous prime is 102100331009. The next prime is 102100331033. The reversal of 102100331023 is 320133001201.

It is a semiprime because it is the product of two primes, 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 102100331023 - 2⁹ = 102100330511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100330988 and 102100331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100331033) 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, 145308 + ... + 474673.

It is an arithmetic number, because the mean of its divisors is an integer number (25525278922).

Almost surely, 2^102100331023 is an apocalyptic number.

102100331023 is a deficient number, since it is larger than the sum of its proper divisors (784665).

102100331023 is an equidigital number, since it uses as much as digits as its factorization.

102100331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784664.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 102100331023 its reverse (320133001201), we get a palindrome (422233332224).

The spelling of 102100331023 in words is "one hundred two billion, one hundred million, three hundred thirty-one thousand, twenty-three".