315252312340 has 72 divisors (see below), whose sum is σ = 770220777312. Its totient is φ = 108071853120.

The previous prime is 315252312317. The next prime is 315252312343. The reversal of 315252312340 is 43213252513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315252312343) 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 23 ways as a sum of consecutive naturals, for example, 9197835 + ... + 9232045.

It is an arithmetic number, because the mean of its divisors is an integer number (10697510796).

Almost surely, 2^315252312340 is an apocalyptic number.

It is an amenable number.

315252312340 is an abundant number, since it is smaller than the sum of its proper divisors (454968464972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315252312340 is a wasteful number, since it uses less digits than its factorization.

315252312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43637 (or 43628 counting only the distinct ones).

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

Adding to 315252312340 its reverse (43213252513), we get a palindrome (358465564853).

The spelling of 315252312340 in words is "three hundred fifteen billion, two hundred fifty-two million, three hundred twelve thousand, three hundred forty".