2315331252140 has 72 divisors (see below), whose sum is σ = 5102570108160. Its totient is φ = 882417885184.

The previous prime is 2315331252139. The next prime is 2315331252203. The reversal of 2315331252140 is 412521335132.

It is a junction number, because it is equal to n+sod(n) for n = 2315331252097 and 2315331252106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2293301 + ... + 3144819.

It is an arithmetic number, because the mean of its divisors is an integer number (70869029280).

Almost surely, 2^{2315331252140} is an apocalyptic number.

2315331252140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315331252140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551285054080).

2315331252140 is an abundant number, since it is smaller than the sum of its proper divisors (2787238856020).

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

2315331252140 is a wasteful number, since it uses less digits than its factorization.

2315331252140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851831 (or 851806 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 2315331252140 its reverse (412521335132), we get a palindrome (2727852587272).

The spelling of 2315331252140 in words is "two trillion, three hundred fifteen billion, three hundred thirty-one million, two hundred fifty-two thousand, one hundred forty".