103240018331 has 2 divisors, whose sum is σ = 103240018332. Its totient is φ = 103240018330.

The previous prime is 103240018313. The next prime is 103240018367. The reversal of 103240018331 is 133810042301.

Together with previous prime (103240018313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103240018331 is a prime.

It is a super-2 number, since 2×103240018331² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103240018331.

It is not a weakly prime, because it can be changed into another prime (103240018831) 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 as a sum of consecutive naturals, namely, 51620009165 + 51620009166.

It is an arithmetic number, because the mean of its divisors is an integer number (51620009166).

Almost surely, 2^103240018331 is an apocalyptic number.

103240018331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103240018331 is an equidigital number, since it uses as much as digits as its factorization.

103240018331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 103240018331 in words is "one hundred three billion, two hundred forty million, eighteen thousand, three hundred thirty-one".