20312103232199 has 4 divisors (see below), whose sum is σ = 20312150631360. Its totient is φ = 20312055833040.

The previous prime is 20312103232177. The next prime is 20312103232219. The reversal of 20312103232199 is 99123230121302.

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 20312103232199 - 2⁴⁴ = 2719917187783 is a prime.

It is a super-4 number, since 4×20312103232199⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312103232139) 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, 23050862 + ... + 23915819.

It is an arithmetic number, because the mean of its divisors is an integer number (5078037657840).

Almost surely, 2^{20312103232199} is an apocalyptic number.

20312103232199 is a deficient number, since it is larger than the sum of its proper divisors (47399161).

20312103232199 is an equidigital number, since it uses as much as digits as its factorization.

20312103232199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47399160.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 20312103232199 in words is "twenty trillion, three hundred twelve billion, one hundred three million, two hundred thirty-two thousand, one hundred ninety-nine".