315271721510230 has 32 divisors (see below), whose sum is σ = 570721135108608. Its totient is φ = 125391595644000.

The previous prime is 315271721510189. The next prime is 315271721510261. The reversal of 315271721510230 is 32015127172513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68866062 + ... + 73301281.

It is an arithmetic number, because the mean of its divisors is an integer number (17835035472144).

Almost surely, 2^{315271721510230} is an apocalyptic number.

315271721510230 is a deficient number, since it is larger than the sum of its proper divisors (255449413598378).

315271721510230 is a wasteful number, since it uses less digits than its factorization.

315271721510230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142168612.

The product of its (nonzero) digits is 88200, while the sum is 40.

Adding to 315271721510230 its reverse (32015127172513), we get a palindrome (347286848682743).

The spelling of 315271721510230 in words is "three hundred fifteen trillion, two hundred seventy-one billion, seven hundred twenty-one million, five hundred ten thousand, two hundred thirty".