315544300105 has 4 divisors (see below), whose sum is σ = 378653160132. Its totient is φ = 252435440080.

The previous prime is 315544300087. The next prime is 315544300139. The reversal of 315544300105 is 501003445513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501003445513 = 46489 ⋅10776817.

It can be written as a sum of positive squares in 2 ways, for example, as 45547669561 + 269996630544 = 213419^2 + 519612^2 .

It is not a de Polignac number, because 315544300105 - 2⁷ = 315544299977 is a prime.

It is a super-2 number, since 2×315544300105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31554430006 + ... + 31554430015.

It is an arithmetic number, because the mean of its divisors is an integer number (94663290033).

Almost surely, 2^315544300105 is an apocalyptic number.

It is an amenable number.

315544300105 is a deficient number, since it is larger than the sum of its proper divisors (63108860027).

315544300105 is an equidigital number, since it uses as much as digits as its factorization.

315544300105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63108860026.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 315544300105 its reverse (501003445513), we get a palindrome (816547745618).

The spelling of 315544300105 in words is "three hundred fifteen billion, five hundred forty-four million, three hundred thousand, one hundred five".