101530818 has 24 divisors (see below), whose sum is σ = 220237056. Its totient is φ = 33804600.

The previous prime is 101530789. The next prime is 101530843. The reversal of 101530818 is 818035101.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 101530791 and 101530800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15823 + ... + 21293.

It is an arithmetic number, because the mean of its divisors is an integer number (9176544).

Almost surely, 2^101530818 is an apocalyptic number.

101530818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101530818 is an abundant number, since it is smaller than the sum of its proper divisors (118706238).

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

101530818 is a wasteful number, since it uses less digits than its factorization.

101530818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510 (or 6507 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 101530818 is about 10076.2501953852. The cubic root of 101530818 is about 466.5153753337.

Adding to 101530818 its reverse (818035101), we get a palindrome (919565919).

The spelling of 101530818 in words is "one hundred one million, five hundred thirty thousand, eight hundred eighteen".