2315302234040 has 64 divisors (see below), whose sum is σ = 5380912373760. Its totient is φ = 895673324160.

The previous prime is 2315302234033. The next prime is 2315302234087. The reversal of 2315302234040 is 404322035132.

It is a happy number.

It is a super-2 number, since 2×2315302234040² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315302233994 and 2315302234012.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1347299 + ... + 2538861.

It is an arithmetic number, because the mean of its divisors is an integer number (84076755840).

Almost surely, 2^{2315302234040} is an apocalyptic number.

2315302234040 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 2315302234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690456186880).

2315302234040 is an abundant number, since it is smaller than the sum of its proper divisors (3065610139720).

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

2315302234040 is a wasteful number, since it uses less digits than its factorization.

2315302234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193172 (or 1193168 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 2315302234040 its reverse (404322035132), we get a palindrome (2719624269172).

The spelling of 2315302234040 in words is "two trillion, three hundred fifteen billion, three hundred two million, two hundred thirty-four thousand, forty".