101130030 has 24 divisors (see below), whose sum is σ = 262938312. Its totient is φ = 26967984.

The previous prime is 101130017. The next prime is 101130037. The reversal of 101130030 is 30031101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101129994 and 101130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101130037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561744 + ... + 561923.

It is an arithmetic number, because the mean of its divisors is an integer number (10955763).

Almost surely, 2^101130030 is an apocalyptic number.

101130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101130030 is an abundant number, since it is smaller than the sum of its proper divisors (161808282).

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

101130030 is a wasteful number, since it uses less digits than its factorization.

101130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123680 (or 1123677 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 101130030 is about 10056.3427745876. The cubic root of 101130030 is about 465.9007168743.

Adding to 101130030 its reverse (30031101), we get a palindrome (131161131).

The spelling of 101130030 in words is "one hundred one million, one hundred thirty thousand, thirty".