20401110313 has 2 divisors, whose sum is σ = 20401110314. Its totient is φ = 20401110312.

The previous prime is 20401110187. The next prime is 20401110343. The reversal of 20401110313 is 31301110402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20394124864 + 6985449 = 142808^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 20401110313 - 2¹⁷ = 20400979241 is a prime.

It is not a weakly prime, because it can be changed into another prime (20401110343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10200555156 + 10200555157.

It is an arithmetic number, because the mean of its divisors is an integer number (10200555157).

Almost surely, 2^20401110313 is an apocalyptic number.

It is an amenable number.

20401110313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20401110313 is an equidigital number, since it uses as much as digits as its factorization.

20401110313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20401110313 its reverse (31301110402), we get a palindrome (51702220715).

The spelling of 20401110313 in words is "twenty billion, four hundred one million, one hundred ten thousand, three hundred thirteen".