10381107181 has 2 divisors, whose sum is σ = 10381107182. Its totient is φ = 10381107180.

The previous prime is 10381107179. The next prime is 10381107193. The reversal of 10381107181 is 18170118301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8353046025 + 2028061156 = 91395^2 + 45034^2 .

It is an emirp because it is prime and its reverse (18170118301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10381107181 - 2¹ = 10381107179 is a prime.

It is a super-2 number, since 2×10381107181² (a number of 21 digits) contains 22 as substring.

Together with 10381107179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10381107481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5190553590 + 5190553591.

It is an arithmetic number, because the mean of its divisors is an integer number (5190553591).

Almost surely, 2^10381107181 is an apocalyptic number.

It is an amenable number.

10381107181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10381107181 is an equidigital number, since it uses as much as digits as its factorization.

10381107181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 31.

The spelling of 10381107181 in words is "ten billion, three hundred eighty-one million, one hundred seven thousand, one hundred eighty-one".