103315381987 has 8 divisors (see below), whose sum is σ = 109850472000. Its totient is φ = 96831149184.

The previous prime is 103315381979. The next prime is 103315381993. The reversal of 103315381987 is 789183513301.

It is a happy number.

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

It is not a de Polignac number, because 103315381987 - 2³ = 103315381979 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 103315381987.

It is not an unprimeable number, because it can be changed into a prime (103315381927) 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, 12710112 + ... + 12718237.

It is an arithmetic number, because the mean of its divisors is an integer number (13731309000).

Almost surely, 2^103315381987 is an apocalyptic number.

103315381987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

103315381987 is a deficient number, since it is larger than the sum of its proper divisors (6535090013).

103315381987 is a wasteful number, since it uses less digits than its factorization.

103315381987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25428605.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 103315381987 in words is "one hundred three billion, three hundred fifteen million, three hundred eighty-one thousand, nine hundred eighty-seven".