30130101 has 24 divisors (see below), whose sum is σ = 45720480. Its totient is φ = 19093536.

The previous prime is 30130097. The next prime is 30130117. The reversal of 30130101 is 10103103.

It is not a de Polignac number, because 30130101 - 2² = 30130097 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16626 + ... + 18348.

It is an arithmetic number, because the mean of its divisors is an integer number (1905020).

Almost surely, 2^30130101 is an apocalyptic number.

It is an amenable number.

30130101 is a deficient number, since it is larger than the sum of its proper divisors (15590379).

30130101 is a wasteful number, since it uses less digits than its factorization.

30130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1822 counting only the distinct ones).

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

The square root of 30130101 is about 5489.0892687221. The cubic root of 30130101 is about 311.1717740220.

Adding to 30130101 its reverse (10103103), we get a palindrome (40233204).

The spelling of 30130101 in words is "thirty million, one hundred thirty thousand, one hundred one".