38631013105 has 8 divisors (see below), whose sum is σ = 46428210792. Its totient is φ = 30857480448.

The previous prime is 38631013097. The next prime is 38631013121. The reversal of 38631013105 is 50131013683.

It can be written as a sum of positive squares in 4 ways, for example, as 3593163249 + 35037849856 = 59943^2 + 187184^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38631013105 - 2³ = 38631013097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5912664 + ... + 5919193.

It is an arithmetic number, because the mean of its divisors is an integer number (5803526349).

Almost surely, 2^38631013105 is an apocalyptic number.

It is an amenable number.

38631013105 is a deficient number, since it is larger than the sum of its proper divisors (7797197687).

38631013105 is a wasteful number, since it uses less digits than its factorization.

38631013105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832515.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 38631013105 its reverse (50131013683), we get a palindrome (88762026788).

The spelling of 38631013105 in words is "thirty-eight billion, six hundred thirty-one million, thirteen thousand, one hundred five".