30130311 has 4 divisors (see below), whose sum is σ = 40173752. Its totient is φ = 20086872.

The previous prime is 30130283. The next prime is 30130339. The reversal of 30130311 is 11303103.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30130283) and next prime (30130339).

It is not a de Polignac number, because 30130311 - 2⁷ = 30130183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130351) 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, 5021716 + ... + 5021721.

It is an arithmetic number, because the mean of its divisors is an integer number (10043438).

Almost surely, 2^30130311 is an apocalyptic number.

30130311 is a deficient number, since it is larger than the sum of its proper divisors (10043441).

30130311 is a wasteful number, since it uses less digits than its factorization.

30130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043440.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 30130311 is about 5489.1083975451. The cubic root of 30130311 is about 311.1724969526.

Adding to 30130311 its reverse (11303103), we get a palindrome (41433414).

The spelling of 30130311 in words is "thirty million, one hundred thirty thousand, three hundred eleven".