30130949 has 2 divisors, whose sum is σ = 30130950. Its totient is φ = 30130948.

The previous prime is 30130939. The next prime is 30130957. The reversal of 30130949 is 94903103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 4950625 = 5018^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 30130949 - 2²⁴ = 13353733 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30130939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065474 + 15065475.

It is an arithmetic number, because the mean of its divisors is an integer number (15065475).

Almost surely, 2^30130949 is an apocalyptic number.

It is an amenable number.

30130949 is a deficient number, since it is larger than the sum of its proper divisors (1).

30130949 is an equidigital number, since it uses as much as digits as its factorization.

30130949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 30130949 is about 5489.1665123222. The cubic root of 30130949 is about 311.1746932642.

It can be divided in two parts, 3013094 and 9, that added together give a palindrome (3013103).

The spelling of 30130949 in words is "thirty million, one hundred thirty thousand, nine hundred forty-nine".