101309830 has 8 divisors (see below), whose sum is σ = 182357712. Its totient is φ = 40523928.

The previous prime is 101309801. The next prime is 101309867. The reversal of 101309830 is 38903101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101309795 and 101309804.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5065482 + ... + 5065501.

It is an arithmetic number, because the mean of its divisors is an integer number (22794714).

Almost surely, 2^101309830 is an apocalyptic number.

101309830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101309830 is a deficient number, since it is larger than the sum of its proper divisors (81047882).

101309830 is a wasteful number, since it uses less digits than its factorization.

101309830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130990.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 101309830 is about 10065.2784362878. The cubic root of 101309830 is about 466.1766631103.

The spelling of 101309830 in words is "one hundred one million, three hundred nine thousand, eight hundred thirty".