315406353503 has 4 divisors (see below), whose sum is σ = 315408395400. Its totient is φ = 315404311608.

The previous prime is 315406353421. The next prime is 315406353529. The reversal of 315406353503 is 305353604513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305353604513 = 45361 ⋅6731633.

It is a cyclic number.

It is not a de Polignac number, because 315406353503 - 2⁸ = 315406353247 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 (315406353533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768428 + ... + 1105121.

It is an arithmetic number, because the mean of its divisors is an integer number (78852098850).

Almost surely, 2^315406353503 is an apocalyptic number.

315406353503 is a deficient number, since it is larger than the sum of its proper divisors (2041897).

315406353503 is a wasteful number, since it uses less digits than its factorization.

315406353503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041896.

The product of its (nonzero) digits is 243000, while the sum is 38.

The spelling of 315406353503 in words is "three hundred fifteen billion, four hundred six million, three hundred fifty-three thousand, five hundred three".