2315402221344 has 48 divisors (see below), whose sum is σ = 6146222211360. Its totient is φ = 763128819200.

The previous prime is 2315402221343. The next prime is 2315402221381. The reversal of 2315402221344 is 4431222045132.

It is a happy number.

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

It is a super-2 number, since 2×2315402221344² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2315402221343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135490182 + ... + 135507269.

It is an arithmetic number, because the mean of its divisors is an integer number (128046296070).

Almost surely, 2^{2315402221344} is an apocalyptic number.

2315402221344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2315402221344 is an abundant number, since it is smaller than the sum of its proper divisors (3830819990016).

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

2315402221344 is a wasteful number, since it uses less digits than its factorization.

2315402221344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270997553 (or 270997545 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 2315402221344 its reverse (4431222045132), we get a palindrome (6746624266476).

The spelling of 2315402221344 in words is "two trillion, three hundred fifteen billion, four hundred two million, two hundred twenty-one thousand, three hundred forty-four".