101130320 has 20 divisors (see below), whose sum is σ = 235128180. Its totient is φ = 40452096.

The previous prime is 101130317. The next prime is 101130329. The reversal of 101130320 is 23031101.

It can be written as a sum of positive squares in 2 ways, for example, as 39287824 + 61842496 = 6268^2 + 7864^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101130329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631985 + ... + 632144.

It is an arithmetic number, because the mean of its divisors is an integer number (11756409).

Almost surely, 2^101130320 is an apocalyptic number.

101130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101130320 is an abundant number, since it is smaller than the sum of its proper divisors (133997860).

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

101130320 is a wasteful number, since it uses less digits than its factorization.

101130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264142 (or 1264136 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 101130320 is about 10056.3571933380. The cubic root of 101130320 is about 465.9011622122.

Adding to 101130320 its reverse (23031101), we get a palindrome (124161421).

The spelling of 101130320 in words is "one hundred one million, one hundred thirty thousand, three hundred twenty".