30142313 has 2 divisors, whose sum is σ = 30142314. Its totient is φ = 30142312.

The previous prime is 30142297. The next prime is 30142361. The reversal of 30142313 is 31324103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18939904 + 11202409 = 4352^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 30142313 - 2⁴ = 30142297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30142291 and 30142300.

It is not a weakly prime, because it can be changed into another prime (30142393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071156 + 15071157.

It is an arithmetic number, because the mean of its divisors is an integer number (15071157).

Almost surely, 2^30142313 is an apocalyptic number.

It is an amenable number.

30142313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142313 is an equidigital number, since it uses as much as digits as its factorization.

30142313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30142313 is about 5490.2015445701. The cubic root of 30142313 is about 311.2138085799.

Adding to 30142313 its reverse (31324103), we get a palindrome (61466416).

The spelling of 30142313 in words is "thirty million, one hundred forty-two thousand, three hundred thirteen".