315120435430 has 16 divisors (see below), whose sum is σ = 567227699280. Its totient is φ = 126045748512.

The previous prime is 315120435401. The next prime is 315120435433. The reversal of 315120435430 is 34534021513.

It is a junction number, because it is equal to n+sod(n) for n = 315120435392 and 315120435401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315120435433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299461 + ... + 848479.

It is an arithmetic number, because the mean of its divisors is an integer number (35451731205).

Almost surely, 2^315120435430 is an apocalyptic number.

315120435430 is a deficient number, since it is larger than the sum of its proper divisors (252107263850).

315120435430 is a wasteful number, since it uses less digits than its factorization.

315120435430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606423.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 315120435430 its reverse (34534021513), we get a palindrome (349654456943).

The spelling of 315120435430 in words is "three hundred fifteen billion, one hundred twenty million, four hundred thirty-five thousand, four hundred thirty".