103740631 has 2 divisors, whose sum is σ = 103740632. Its totient is φ = 103740630.

The previous prime is 103740617. The next prime is 103740671. The reversal of 103740631 is 136047301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103740631 - 2⁷ = 103740503 is a prime.

It is a super-2 number, since 2×103740631² = 21524237040556322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103740596 and 103740605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103740671) 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, 51870315 + 51870316.

It is an arithmetic number, because the mean of its divisors is an integer number (51870316).

Almost surely, 2^103740631 is an apocalyptic number.

103740631 is a deficient number, since it is larger than the sum of its proper divisors (1).

103740631 is an equidigital number, since it uses as much as digits as its factorization.

103740631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 103740631 is about 10185.3144772265. The cubic root of 103740631 is about 469.8756740722.

Adding to 103740631 its reverse (136047301), we get a palindrome (239787932).

The spelling of 103740631 in words is "one hundred three million, seven hundred forty thousand, six hundred thirty-one".