20112303012313 has 2 divisors, whose sum is σ = 20112303012314. Its totient is φ = 20112303012312.

The previous prime is 20112303012259. The next prime is 20112303012341. The reversal of 20112303012313 is 31321030321102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14651654751504 + 5460648260809 = 3827748^2 + 2336803^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112303012313 - 2¹³ = 20112303004121 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112303012343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056151506156 + 10056151506157.

It is an arithmetic number, because the mean of its divisors is an integer number (10056151506157).

Almost surely, 2^{20112303012313} is an apocalyptic number.

It is an amenable number.

20112303012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112303012313 is an equidigital number, since it uses as much as digits as its factorization.

20112303012313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20112303012313 its reverse (31321030321102), we get a palindrome (51433333333415).

The spelling of 20112303012313 in words is "twenty trillion, one hundred twelve billion, three hundred three million, twelve thousand, three hundred thirteen".