101231130 has 128 divisors (see below), whose sum is σ = 326301696. Its totient is φ = 19411200.

The previous prime is 101231111. The next prime is 101231131. The reversal of 101231130 is 31132101.

It is not an unprimeable number, because it can be changed into a prime (101231131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28345 + ... + 31715.

It is an arithmetic number, because the mean of its divisors is an integer number (2549232).

Almost surely, 2^101231130 is an apocalyptic number.

101231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101231130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163150848).

101231130 is an abundant number, since it is smaller than the sum of its proper divisors (225070566).

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

101231130 is a wasteful number, since it uses less digits than its factorization.

101231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 101231130 is about 10061.3681972185. The cubic root of 101231130 is about 466.0559192905.

Adding to 101231130 its reverse (31132101), we get a palindrome (132363231).

The spelling of 101231130 in words is "one hundred one million, two hundred thirty-one thousand, one hundred thirty".