103235531 has 12 divisors (see below), whose sum is σ = 124522992. Its totient is φ = 83828304.

The previous prime is 103235519. The next prime is 103235551. The reversal of 103235531 is 135532301.

It is a de Polignac number, because none of the positive numbers 2^k-103235531 is a prime.

It is a super-2 number, since 2×103235531² = 21315149721703922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103235497 and 103235506.

It is not an unprimeable number, because it can be changed into a prime (103235551) 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 in 11 ways as a sum of consecutive naturals, for example, 17900 + ... + 22953.

It is an arithmetic number, because the mean of its divisors is an integer number (10376916).

Almost surely, 2^103235531 is an apocalyptic number.

103235531 is a deficient number, since it is larger than the sum of its proper divisors (21287461).

103235531 is an equidigital number, since it uses as much as digits as its factorization.

103235531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40898 (or 40879 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 103235531 is about 10160.4887185607. The cubic root of 103235531 is about 469.1118446726. Note that the first 3 decimals are identical.

Adding to 103235531 its reverse (135532301), we get a palindrome (238767832).

It can be divided in two parts, 1032 and 35531, that added together give a palindrome (36563).

The spelling of 103235531 in words is "one hundred three million, two hundred thirty-five thousand, five hundred thirty-one".