315401243424215 has 32 divisors (see below), whose sum is σ = 410427042076800. Its totient is φ = 231296295757824.

The previous prime is 315401243424083. The next prime is 315401243424251. The reversal of 315401243424215 is 512424342104513.

It is a cyclic number.

It is not a de Polignac number, because 315401243424215 - 2¹⁰ = 315401243423191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2462414 + ... + 25236203.

It is an arithmetic number, because the mean of its divisors is an integer number (12825845064900).

Almost surely, 2^{315401243424215} is an apocalyptic number.

315401243424215 is a deficient number, since it is larger than the sum of its proper divisors (95025798652585).

315401243424215 is a wasteful number, since it uses less digits than its factorization.

315401243424215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27699851.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 315401243424215 its reverse (512424342104513), we get a palindrome (827825585528728).

The spelling of 315401243424215 in words is "three hundred fifteen trillion, four hundred one billion, two hundred forty-three million, four hundred twenty-four thousand, two hundred fifteen".