315124455243 has 48 divisors (see below), whose sum is σ = 468678752640. Its totient is φ = 188133753600.

The previous prime is 315124455181. The next prime is 315124455257. The reversal of 315124455243 is 342554421513.

It is not a de Polignac number, because 315124455243 - 2¹⁰ = 315124454219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (315124455263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3678528 + ... + 3763218.

It is an arithmetic number, because the mean of its divisors is an integer number (9764140680).

Almost surely, 2^315124455243 is an apocalyptic number.

315124455243 is a deficient number, since it is larger than the sum of its proper divisors (153554297397).

315124455243 is a wasteful number, since it uses less digits than its factorization.

315124455243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84940 (or 84927 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

Adding to 315124455243 its reverse (342554421513), we get a palindrome (657678876756).

The spelling of 315124455243 in words is "three hundred fifteen billion, one hundred twenty-four million, four hundred fifty-five thousand, two hundred forty-three".