7981203103 has 2 divisors, whose sum is σ = 7981203104. Its totient is φ = 7981203102.

The previous prime is 7981203101. The next prime is 7981203119. The reversal of 7981203103 is 3013021897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7981203103 - 2¹ = 7981203101 is a prime.

Together with 7981203101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7981203101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3990601551 + 3990601552.

It is an arithmetic number, because the mean of its divisors is an integer number (3990601552).

Almost surely, 2^7981203103 is an apocalyptic number.

7981203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

7981203103 is an equidigital number, since it uses as much as digits as its factorization.

7981203103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7981203103 is about 89337.5794556804. The cubic root of 7981203103 is about 1998.4323634956.

The spelling of 7981203103 in words is "seven billion, nine hundred eighty-one million, two hundred three thousand, one hundred three".