101388830 has 16 divisors (see below), whose sum is σ = 190435104. Its totient is φ = 38792160.

The previous prime is 101388829. The next prime is 101388839. The reversal of 101388830 is 38883101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101388839) 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, 220181 + ... + 220640.

It is an arithmetic number, because the mean of its divisors is an integer number (11902194).

Almost surely, 2^101388830 is an apocalyptic number.

101388830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101388830 is a deficient number, since it is larger than the sum of its proper divisors (89046274).

101388830 is a wasteful number, since it uses less digits than its factorization.

101388830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440851.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 101388830 is about 10069.2020537876. The cubic root of 101388830 is about 466.2978043259.

The spelling of 101388830 in words is "one hundred one million, three hundred eighty-eight thousand, eight hundred thirty".