103620111660031 has 2 divisors, whose sum is σ = 103620111660032. Its totient is φ = 103620111660030.

The previous prime is 103620111660017. The next prime is 103620111660103. The reversal of 103620111660031 is 130066111026301.

Together with next prime (103620111660103) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (130066111026301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103620111660031 - 2¹⁷ = 103620111528959 is a prime.

It is a super-3 number, since 3×103620111660031³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 103620111659975 and 103620111660002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103620111660431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51810055830015 + 51810055830016.

It is an arithmetic number, because the mean of its divisors is an integer number (51810055830016).

Almost surely, 2^{103620111660031} is an apocalyptic number.

103620111660031 is a deficient number, since it is larger than the sum of its proper divisors (1).

103620111660031 is an equidigital number, since it uses as much as digits as its factorization.

103620111660031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

Adding to 103620111660031 its reverse (130066111026301), we get a palindrome (233686222686332).

The spelling of 103620111660031 in words is "one hundred three trillion, six hundred twenty billion, one hundred eleven million, six hundred sixty thousand, thirty-one".