101530403 has 8 divisors (see below), whose sum is σ = 109422768. Its totient is φ = 93649824.

The previous prime is 101530379. The next prime is 101530417. The reversal of 101530403 is 304035101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101530403 - 2⁸ = 101530147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101530423) 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 in 7 ways as a sum of consecutive naturals, for example, 24425 + ... + 28277.

It is an arithmetic number, because the mean of its divisors is an integer number (13677846).

Almost surely, 2^101530403 is an apocalyptic number.

101530403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101530403 is a deficient number, since it is larger than the sum of its proper divisors (7892365).

101530403 is a wasteful number, since it uses less digits than its factorization.

101530403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 101530403 is about 10076.2296023860. The cubic root of 101530403 is about 466.5147397167.

Adding to 101530403 its reverse (304035101), we get a palindrome (405565504).

The spelling of 101530403 in words is "one hundred one million, five hundred thirty thousand, four hundred three".