201103030 has 64 divisors (see below), whose sum is σ = 421148160. Its totient is φ = 68580864.

The previous prime is 201103009. The next prime is 201103033. The reversal of 201103030 is 30301102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201102998 and 201103016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201103033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72937 + ... + 75643.

It is an arithmetic number, because the mean of its divisors is an integer number (6580440).

Almost surely, 2^201103030 is an apocalyptic number.

201103030 is an abundant number, since it is smaller than the sum of its proper divisors (220045130).

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

201103030 is a wasteful number, since it uses less digits than its factorization.

201103030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 201103030 is about 14181.0800011847. The cubic root of 201103030 is about 585.8766703382.

Adding to 201103030 its reverse (30301102), we get a palindrome (231404132).

The spelling of 201103030 in words is "two hundred one million, one hundred three thousand, thirty".