103820093081 has 2 divisors, whose sum is σ = 103820093082. Its totient is φ = 103820093080.

The previous prime is 103820093077. The next prime is 103820093099. The reversal of 103820093081 is 180390028301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75122039056 + 28698054025 = 274084^2 + 169405^2 .

It is a cyclic number.

It is not a de Polignac number, because 103820093081 - 2² = 103820093077 is a prime.

It is a super-2 number, since 2×103820093081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103820093681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51910046540 + 51910046541.

It is an arithmetic number, because the mean of its divisors is an integer number (51910046541).

Almost surely, 2^103820093081 is an apocalyptic number.

It is an amenable number.

103820093081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103820093081 is an equidigital number, since it uses as much as digits as its factorization.

103820093081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 103820093081 in words is "one hundred three billion, eight hundred twenty million, ninety-three thousand, eighty-one".