2013103987 has 2 divisors, whose sum is σ = 2013103988. Its totient is φ = 2013103986.

The previous prime is 2013103973. The next prime is 2013104021. The reversal of 2013103987 is 7893013102.

It is an a-pointer prime, because the next prime (2013104021) can be obtained adding 2013103987 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013103987 - 2¹¹ = 2013101939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013103907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006551993 + 1006551994.

It is an arithmetic number, because the mean of its divisors is an integer number (1006551994).

Almost surely, 2^2013103987 is an apocalyptic number.

2013103987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013103987 is an equidigital number, since it uses as much as digits as its factorization.

2013103987 is an evil number, because the sum of its binary digits is even.

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

The square root of 2013103987 is about 44867.6273832259. The cubic root of 2013103987 is about 1262.6667268879. Note that the first 3 decimals are identical.

The spelling of 2013103987 in words is "two billion, thirteen million, one hundred three thousand, nine hundred eighty-seven".