315105215004343 has 16 divisors (see below), whose sum is σ = 320466360614400. Its totient is φ = 309788517186720.

The previous prime is 315105215004331. The next prime is 315105215004407. The reversal of 315105215004343 is 343400512501513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315105215004343 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 (315105215004043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365239638 + ... + 366101356.

It is an arithmetic number, because the mean of its divisors is an integer number (20029147538400).

Almost surely, 2^{315105215004343} is an apocalyptic number.

315105215004343 is a deficient number, since it is larger than the sum of its proper divisors (5361145610057).

315105215004343 is a wasteful number, since it uses less digits than its factorization.

315105215004343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887502.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 315105215004343 its reverse (343400512501513), we get a palindrome (658505727505856).

The spelling of 315105215004343 in words is "three hundred fifteen trillion, one hundred five billion, two hundred fifteen million, four thousand, three hundred forty-three".