315032242243 has 4 divisors (see below), whose sum is σ = 325895423040. Its totient is φ = 304169061448.

The previous prime is 315032242223. The next prime is 315032242267. The reversal of 315032242243 is 342242230513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342242230513 = 433 ⋅790397761.

It is a cyclic number.

It is not a de Polignac number, because 315032242243 - 2²¹ = 315030145091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315032242223) 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, 5431590355 + ... + 5431590412.

It is an arithmetic number, because the mean of its divisors is an integer number (81473855760).

Almost surely, 2^315032242243 is an apocalyptic number.

315032242243 is a deficient number, since it is larger than the sum of its proper divisors (10863180797).

315032242243 is a wasteful number, since it uses less digits than its factorization.

315032242243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10863180796.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 315032242243 its reverse (342242230513), we get a palindrome (657274472756).

The spelling of 315032242243 in words is "three hundred fifteen billion, thirty-two million, two hundred forty-two thousand, two hundred forty-three".