30130277 has 2 divisors, whose sum is σ = 30130278. Its totient is φ = 30130276.

The previous prime is 30130259. The next prime is 30130283. The reversal of 30130277 is 77203103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 1156 = 5489^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 30130277 - 2⁶ = 30130213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30180277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065138 + 15065139.

It is an arithmetic number, because the mean of its divisors is an integer number (15065139).

Almost surely, 2^30130277 is an apocalyptic number.

It is an amenable number.

30130277 is a deficient number, since it is larger than the sum of its proper divisors (1).

30130277 is an equidigital number, since it uses as much as digits as its factorization.

30130277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 30130277 is about 5489.1053005021. The cubic root of 30130277 is about 311.1723799069.

The spelling of 30130277 in words is "thirty million, one hundred thirty thousand, two hundred seventy-seven".