315215101 has 8 divisors (see below), whose sum is σ = 320963264. Its totient is φ = 309497760.

The previous prime is 315215077. The next prime is 315215107. The reversal of 315215101 is 101512513.

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 315215101 - 2⁹ = 315214589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315215107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13456 + ... + 28486.

It is an arithmetic number, because the mean of its divisors is an integer number (40120408).

Almost surely, 2^315215101 is an apocalyptic number.

It is an amenable number.

315215101 is a deficient number, since it is larger than the sum of its proper divisors (5748163).

315215101 is a wasteful number, since it uses less digits than its factorization.

315215101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 315215101 is about 17754.2980993336. The cubic root of 315215101 is about 680.5640511728.

Adding to 315215101 its reverse (101512513), we get a palindrome (416727614).

The spelling of 315215101 in words is "three hundred fifteen million, two hundred fifteen thousand, one hundred one".