101193830 has 16 divisors (see below), whose sum is σ = 182507904. Its totient is φ = 40397760.

The previous prime is 101193821. The next prime is 101193857. The reversal of 101193830 is 38391101.

It is a self number, because there is not a number n which added to its sum of digits gives 101193830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4502 + ... + 14921.

It is an arithmetic number, because the mean of its divisors is an integer number (11406744).

Almost surely, 2^101193830 is an apocalyptic number.

101193830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101193830 is a deficient number, since it is larger than the sum of its proper divisors (81314074).

101193830 is a wasteful number, since it uses less digits than its factorization.

101193830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19951.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 101193830 is about 10059.5144017989. The cubic root of 101193830 is about 465.9986706907.

The spelling of 101193830 in words is "one hundred one million, one hundred ninety-three thousand, eight hundred thirty".