38031841198081 has 4 divisors (see below), whose sum is σ = 38031854439492. Its totient is φ = 38031827956672.

The previous prime is 38031841198067. The next prime is 38031841198139. The reversal of 38031841198081 is 18089114813083.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18313401301056 + 19718439897025 = 4279416^2 + 4440545^2 .

It is a cyclic number.

It is not a de Polignac number, because 38031841198081 - 2⁹ = 38031841197569 is a prime.

It is a super-2 number, since 2×38031841198081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38031841198031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302716 + ... + 8726701.

It is an arithmetic number, because the mean of its divisors is an integer number (9507963609873).

Almost surely, 2^{38031841198081} is an apocalyptic number.

It is an amenable number.

38031841198081 is a deficient number, since it is larger than the sum of its proper divisors (13241411).

38031841198081 is an equidigital number, since it uses as much as digits as its factorization.

38031841198081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13241410.

The product of its (nonzero) digits is 1327104, while the sum is 55.

The spelling of 38031841198081 in words is "thirty-eight trillion, thirty-one billion, eight hundred forty-one million, one hundred ninety-eight thousand, eighty-one".