103031530 has 16 divisors (see below), whose sum is σ = 211950720. Its totient is φ = 35325072.

The previous prime is 103031521. The next prime is 103031531. The reversal of 103031530 is 35130301.

It is not an unprimeable number, because it can be changed into a prime (103031531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735870 + ... + 736009.

It is an arithmetic number, because the mean of its divisors is an integer number (13246920).

Almost surely, 2^103031530 is an apocalyptic number.

103031530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103031530 is an abundant number, since it is smaller than the sum of its proper divisors (108919190).

103031530 is a wasteful number, since it uses less digits than its factorization.

103031530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471893.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 103031530 is about 10150.4448178393. Note that the first 3 decimals coincide. The cubic root of 103031530 is about 468.8026410807.

Adding to 103031530 its reverse (35130301), we get a palindrome (138161831).

The spelling of 103031530 in words is "one hundred three million, thirty-one thousand, five hundred thirty".