21141310343 has 8 divisors (see below), whose sum is σ = 22122239616. Its totient is φ = 20179065600.

The previous prime is 21141310331. The next prime is 21141310349. The reversal of 21141310343 is 34301314112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21141310343 - 2⁴ = 21141310327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141310349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4668818 + ... + 4673343.

It is an arithmetic number, because the mean of its divisors is an integer number (2765279952).

Almost surely, 2^21141310343 is an apocalyptic number.

21141310343 is a deficient number, since it is larger than the sum of its proper divisors (980929273).

21141310343 is an equidigital number, since it uses as much as digits as its factorization.

21141310343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342265.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21141310343 its reverse (34301314112), we get a palindrome (55442624455).

The spelling of 21141310343 in words is "twenty-one billion, one hundred forty-one million, three hundred ten thousand, three hundred forty-three".