103630531 has 2 divisors, whose sum is σ = 103630532. Its totient is φ = 103630530.

The previous prime is 103630523. The next prime is 103630537. The reversal of 103630531 is 135036301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103630531 - 2³ = 103630523 is a prime.

It is a super-3 number, since 3×103630531³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (103630537) 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, 51815265 + 51815266.

It is an arithmetic number, because the mean of its divisors is an integer number (51815266).

Almost surely, 2^103630531 is an apocalyptic number.

103630531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103630531 is an equidigital number, since it uses as much as digits as its factorization.

103630531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 103630531 is about 10179.9082019437. The cubic root of 103630531 is about 469.7093887780.

Adding to 103630531 its reverse (135036301), we get a palindrome (238666832).

The spelling of 103630531 in words is "one hundred three million, six hundred thirty thousand, five hundred thirty-one".