315011403656243 has 64 divisors (see below), whose sum is σ = 372582303206400. Its totient is φ = 260703566323200.

The previous prime is 315011403656233. The next prime is 315011403656297. The reversal of 315011403656243 is 342656304110513.

It is a happy number.

It is not a de Polignac number, because 315011403656243 - 2⁴ = 315011403656227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315011403656194 and 315011403656203.

It is not an unprimeable number, because it can be changed into a prime (315011403656233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32049176453 + ... + 32049186281.

It is an arithmetic number, because the mean of its divisors is an integer number (5821598487600).

Almost surely, 2^{315011403656243} is an apocalyptic number.

315011403656243 is a deficient number, since it is larger than the sum of its proper divisors (57570899550157).

315011403656243 is a wasteful number, since it uses less digits than its factorization.

315011403656243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820.

The product of its (nonzero) digits is 777600, while the sum is 44.

Adding to 315011403656243 its reverse (342656304110513), we get a palindrome (657667707766756).

The spelling of 315011403656243 in words is "three hundred fifteen trillion, eleven billion, four hundred three million, six hundred fifty-six thousand, two hundred forty-three".