8103231655 has 4 divisors (see below), whose sum is σ = 9723877992. Its totient is φ = 6482585320.

The previous prime is 8103231641. The next prime is 8103231751. The reversal of 8103231655 is 5561323018.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5561323018 = 2 ⋅2780661509.

It is not a de Polignac number, because 8103231655 - 2⁵ = 8103231623 is a prime.

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 8103231655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810323161 + ... + 810323170.

It is an arithmetic number, because the mean of its divisors is an integer number (2430969498).

Almost surely, 2^8103231655 is an apocalyptic number.

8103231655 is a deficient number, since it is larger than the sum of its proper divisors (1620646337).

8103231655 is a wasteful number, since it uses less digits than its factorization.

8103231655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620646336.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 8103231655 is about 90017.9518485063. The cubic root of 8103231655 is about 2008.5658982338.

The spelling of 8103231655 in words is "eight billion, one hundred three million, two hundred thirty-one thousand, six hundred fifty-five".