21323112010313 has 16 divisors (see below), whose sum is σ = 22946709202560. Its totient is φ = 19741392734976.

The previous prime is 21323112010289. The next prime is 21323112010339. The reversal of 21323112010313 is 31301021132312.

It is a cyclic number.

It is not a de Polignac number, because 21323112010313 - 2⁴⁰ = 20223600382537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21323112010373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12394781 + ... + 14009882.

It is an arithmetic number, because the mean of its divisors is an integer number (1434169325160).

Almost surely, 2^{21323112010313} is an apocalyptic number.

It is an amenable number.

21323112010313 is a deficient number, since it is larger than the sum of its proper divisors (1623597192247).

21323112010313 is a wasteful number, since it uses less digits than its factorization.

21323112010313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26405456.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21323112010313 its reverse (31301021132312), we get a palindrome (52624133142625).

The spelling of 21323112010313 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred twelve million, ten thousand, three hundred thirteen".