21344231362 has 32 divisors (see below), whose sum is σ = 35283729600. Its totient is φ = 9644136768.

The previous prime is 21344231351. The next prime is 21344231371. The reversal of 21344231362 is 26313244312.

It is a happy 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, 25213 + ... + 208144.

It is an arithmetic number, because the mean of its divisors is an integer number (1102616550).

Almost surely, 2^21344231362 is an apocalyptic number.

21344231362 is a deficient number, since it is larger than the sum of its proper divisors (13939498238).

21344231362 is a wasteful number, since it uses less digits than its factorization.

21344231362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233490.

The product of its digits is 20736, while the sum is 31.

Adding to 21344231362 its reverse (26313244312), we get a palindrome (47657475674).

The spelling of 21344231362 in words is "twenty-one billion, three hundred forty-four million, two hundred thirty-one thousand, three hundred sixty-two".