30711413 has 2 divisors, whose sum is σ = 30711414. Its totient is φ = 30711412.

The previous prime is 30711409. The next prime is 30711431. The reversal of 30711413 is 31411703.

It is a happy number.

Together with next prime (30711431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 877969 = 5462^2 + 937^2 .

It is an emirp because it is prime and its reverse (31411703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30711413 - 2² = 30711409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30711403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15355706 + 15355707.

It is an arithmetic number, because the mean of its divisors is an integer number (15355707).

Almost surely, 2^30711413 is an apocalyptic number.

It is an amenable number.

30711413 is a deficient number, since it is larger than the sum of its proper divisors (1).

30711413 is an equidigital number, since it uses as much as digits as its factorization.

30711413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 30711413 is about 5541.7878883985. The cubic root of 30711413 is about 313.1602271779.

The spelling of 30711413 in words is "thirty million, seven hundred eleven thousand, four hundred thirteen".