102020330331323 has 4 divisors (see below), whose sum is σ = 102029802102408. Its totient is φ = 102010858560240.

The previous prime is 102020330331319. The next prime is 102020330331341. The reversal of 102020330331323 is 323133033020201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102020330331323 - 2² = 102020330331319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020330331292 and 102020330331301.

It is not an unprimeable number, because it can be changed into a prime (102020330331313) 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, 4735869386 + ... + 4735890927.

It is an arithmetic number, because the mean of its divisors is an integer number (25507450525602).

Almost surely, 2^{102020330331323} is an apocalyptic number.

102020330331323 is a deficient number, since it is larger than the sum of its proper divisors (9471771085).

102020330331323 is an equidigital number, since it uses as much as digits as its factorization.

102020330331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471771084.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 102020330331323 its reverse (323133033020201), we get a palindrome (425153363351524).

The spelling of 102020330331323 in words is "one hundred two trillion, twenty billion, three hundred thirty million, three hundred thirty-one thousand, three hundred twenty-three".