315252311305 has 8 divisors (see below), whose sum is σ = 378531089352. Its totient is φ = 252049638528.

The previous prime is 315252311303. The next prime is 315252311317. The reversal of 315252311305 is 503113252513.

It can be written as a sum of positive squares in 4 ways, for example, as 16162545424 + 299089765881 = 127132^2 + 546891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315252311305 - 2¹ = 315252311303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315252311303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19017202 + ... + 19033771.

It is an arithmetic number, because the mean of its divisors is an integer number (47316386169).

Almost surely, 2^315252311305 is an apocalyptic number.

It is an amenable number.

315252311305 is a deficient number, since it is larger than the sum of its proper divisors (63278778047).

315252311305 is a wasteful number, since it uses less digits than its factorization.

315252311305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38052635.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 315252311305 its reverse (503113252513), we get a palindrome (818365563818).

The spelling of 315252311305 in words is "three hundred fifteen billion, two hundred fifty-two million, three hundred eleven thousand, three hundred five".