13103111987 has 8 divisors (see below), whose sum is σ = 15763142400. Its totient is φ = 10640120904.

The previous prime is 13103111951. The next prime is 13103112017. The reversal of 13103111987 is 78911130131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13103111987 - 2³² = 8808144691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103111387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49259687 + ... + 49259952.

It is an arithmetic number, because the mean of its divisors is an integer number (1970392800).

Almost surely, 2^13103111987 is an apocalyptic number.

13103111987 is a deficient number, since it is larger than the sum of its proper divisors (2660030413).

13103111987 is an equidigital number, since it uses as much as digits as its factorization.

13103111987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98519665.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 13103111987 in words is "thirteen billion, one hundred three million, one hundred eleven thousand, nine hundred eighty-seven".