315140140320 has 48 divisors (see below), whose sum is σ = 992691443520. Its totient is φ = 84037370624.

The previous prime is 315140140319. The next prime is 315140140331. The reversal of 315140140320 is 23041041513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328270500 + ... + 328271459.

It is an arithmetic number, because the mean of its divisors is an integer number (20681071740).

Almost surely, 2^315140140320 is an apocalyptic number.

315140140320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315140140320 is an abundant number, since it is smaller than the sum of its proper divisors (677551303200).

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

315140140320 is a wasteful number, since it uses less digits than its factorization.

315140140320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656541977 (or 656541969 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 315140140320 its reverse (23041041513), we get a palindrome (338181181833).

The spelling of 315140140320 in words is "three hundred fifteen billion, one hundred forty million, one hundred forty thousand, three hundred twenty".