103431401300081 has 2 divisors, whose sum is σ = 103431401300082. Its totient is φ = 103431401300080.

The previous prime is 103431401300077. The next prime is 103431401300089. The reversal of 103431401300081 is 180003104134301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81862956274225 + 21568445025856 = 9047815^2 + 4644184^2 .

It is a cyclic number.

It is not a de Polignac number, because 103431401300081 - 2² = 103431401300077 is a prime.

It is a super-2 number, since 2×103431401300081² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (103431401300089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715700650040 + 51715700650041.

It is an arithmetic number, because the mean of its divisors is an integer number (51715700650041).

Almost surely, 2^{103431401300081} is an apocalyptic number.

It is an amenable number.

103431401300081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103431401300081 is an equidigital number, since it uses as much as digits as its factorization.

103431401300081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 103431401300081 its reverse (180003104134301), we get a palindrome (283434505434382).

The spelling of 103431401300081 in words is "one hundred three trillion, four hundred thirty-one billion, four hundred one million, three hundred thousand, eighty-one".