103120331999 has 4 divisors (see below), whose sum is σ = 105314381664. Its totient is φ = 100926282336.

The previous prime is 103120331981. The next prime is 103120332019. The reversal of 103120331999 is 999133021301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999133021301 = 1109 ⋅900931489.

It is a cyclic number.

It is not a de Polignac number, because 103120331999 - 2³⁶ = 34400855263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120331299) 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, 1097024762 + ... + 1097024855.

It is an arithmetic number, because the mean of its divisors is an integer number (26328595416).

Almost surely, 2^103120331999 is an apocalyptic number.

103120331999 is a deficient number, since it is larger than the sum of its proper divisors (2194049665).

103120331999 is an equidigital number, since it uses as much as digits as its factorization.

103120331999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194049664.

The product of its (nonzero) digits is 39366, while the sum is 41.

The spelling of 103120331999 in words is "one hundred three billion, one hundred twenty million, three hundred thirty-one thousand, nine hundred ninety-nine".