20102323132313 has 4 divisors (see below), whose sum is σ = 20976337181568. Its totient is φ = 19228309083060.

The previous prime is 20102323132301. The next prime is 20102323132351. The reversal of 20102323132313 is 31323132320102.

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.

It is a cyclic number.

It is not a de Polignac number, because 20102323132313 - 2⁸ = 20102323132057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102323131313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437007024593 + ... + 437007024638.

It is an arithmetic number, because the mean of its divisors is an integer number (5244084295392).

Almost surely, 2^{20102323132313} is an apocalyptic number.

20102323132313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20102323132313 is a deficient number, since it is larger than the sum of its proper divisors (874014049255).

20102323132313 is an equidigital number, since it uses as much as digits as its factorization.

20102323132313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874014049254.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20102323132313 its reverse (31323132320102), we get a palindrome (51425455452415).

The spelling of 20102323132313 in words is "twenty trillion, one hundred two billion, three hundred twenty-three million, one hundred thirty-two thousand, three hundred thirteen".