21230103313113 has 4 divisors (see below), whose sum is σ = 28306804417488. Its totient is φ = 14153402208740.

The previous prime is 21230103313103. The next prime is 21230103313171. The reversal of 21230103313113 is 31131330103212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21230103313113 - 2⁹ = 21230103312601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21230103313103) 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, 3538350552183 + ... + 3538350552188.

It is an arithmetic number, because the mean of its divisors is an integer number (7076701104372).

Almost surely, 2^{21230103313113} is an apocalyptic number.

It is an amenable number.

21230103313113 is a deficient number, since it is larger than the sum of its proper divisors (7076701104375).

21230103313113 is an equidigital number, since it uses as much as digits as its factorization.

21230103313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076701104374.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21230103313113 its reverse (31131330103212), we get a palindrome (52361433416325).

The spelling of 21230103313113 in words is "twenty-one trillion, two hundred thirty billion, one hundred three million, three hundred thirteen thousand, one hundred thirteen".