103581031 has 2 divisors, whose sum is σ = 103581032. Its totient is φ = 103581030.

The previous prime is 103581007. The next prime is 103581041. The reversal of 103581031 is 130185301.

It is a strong prime.

It is an emirp because it is prime and its reverse (130185301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103581031 - 2⁵ = 103580999 is a prime.

It is a super-3 number, since 3×103581031³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103580993 and 103581011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103581001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51790515 + 51790516.

It is an arithmetic number, because the mean of its divisors is an integer number (51790516).

Almost surely, 2^103581031 is an apocalyptic number.

103581031 is a deficient number, since it is larger than the sum of its proper divisors (1).

103581031 is an equidigital number, since it uses as much as digits as its factorization.

103581031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 103581031 is about 10177.4766519015. The cubic root of 103581031 is about 469.6345899793.

The spelling of 103581031 in words is "one hundred three million, five hundred eighty-one thousand, thirty-one".