101305530 has 48 divisors (see below), whose sum is σ = 277261920. Its totient is φ = 25592544.

The previous prime is 101305493. The next prime is 101305543. The reversal of 101305530 is 35503101.

It is a happy number.

101305530 is a `hidden beast` number, since 1 + 0 + 130 + 5 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 27912 + ... + 31331.

It is an arithmetic number, because the mean of its divisors is an integer number (5776290).

Almost surely, 2^101305530 is an apocalyptic number.

101305530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101305530 is an abundant number, since it is smaller than the sum of its proper divisors (175956390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101305530 is a wasteful number, since it uses less digits than its factorization.

101305530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59275 (or 59272 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 101305530 is about 10065.0648284052. The cubic root of 101305530 is about 466.1700675410.

Adding to 101305530 its reverse (35503101), we get a palindrome (136808631).

The spelling of 101305530 in words is "one hundred one million, three hundred five thousand, five hundred thirty".