21343101034 has 8 divisors (see below), whose sum is σ = 32015610180. Its totient is φ = 10671230976.

The previous prime is 21343101023. The next prime is 21343101037. The reversal of 21343101034 is 43010134312.

It can be written as a sum of positive squares in 2 ways, for example, as 17826255225 + 3516845809 = 133515^2 + 59303^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21343100996 and 21343101014.

It is not an unprimeable number, because it can be changed into a prime (21343101037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65049 + ... + 216604.

Almost surely, 2^21343101034 is an apocalyptic number.

21343101034 is a deficient number, since it is larger than the sum of its proper divisors (10672509146).

21343101034 is a wasteful number, since it uses less digits than its factorization.

21343101034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319544.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21343101034 its reverse (43010134312), we get a palindrome (64353235346).

The spelling of 21343101034 in words is "twenty-one billion, three hundred forty-three million, one hundred one thousand, thirty-four".