21343303114312 has 16 divisors (see below), whose sum is σ = 40024042829100. Its totient is φ = 10670225026560.

The previous prime is 21343303114307. The next prime is 21343303114333. The reversal of 21343303114312 is 21341130334312.

It can be written as a sum of positive squares in 2 ways, for example, as 21343235775876 + 67338436 = 4619874^2 + 8206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178252737 + ... + 178372432.

Almost surely, 2^{21343303114312} is an apocalyptic number.

It is an amenable number.

21343303114312 is a deficient number, since it is larger than the sum of its proper divisors (18680739714788).

21343303114312 is a wasteful number, since it uses less digits than its factorization.

21343303114312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356632656 (or 356632652 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 21343303114312 its reverse (21341130334312), we get a palindrome (42684433448624).

The spelling of 21343303114312 in words is "twenty-one trillion, three hundred forty-three billion, three hundred three million, one hundred fourteen thousand, three hundred twelve".