381133110313 has 2 divisors, whose sum is σ = 381133110314. Its totient is φ = 381133110312.

The previous prime is 381133110307. The next prime is 381133110341. The reversal of 381133110313 is 313011331183.

It is an a-pointer prime, because the next prime (381133110341) can be obtained adding 381133110313 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343081975824 + 38051134489 = 585732^2 + 195067^2 .

It is an emirp because it is prime and its reverse (313011331183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381133110313 - 2⁹ = 381133109801 is a prime.

It is a super-2 number, since 2×381133110313² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (381133110613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190566555156 + 190566555157.

It is an arithmetic number, because the mean of its divisors is an integer number (190566555157).

Almost surely, 2^381133110313 is an apocalyptic number.

It is an amenable number.

381133110313 is a deficient number, since it is larger than the sum of its proper divisors (1).

381133110313 is an equidigital number, since it uses as much as digits as its factorization.

381133110313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 381133110313 its reverse (313011331183), we get a palindrome (694144441496).

The spelling of 381133110313 in words is "three hundred eighty-one billion, one hundred thirty-three million, one hundred ten thousand, three hundred thirteen".