30313369 has 2 divisors, whose sum is σ = 30313370. Its totient is φ = 30313368.

The previous prime is 30313357. The next prime is 30313399. The reversal of 30313369 is 96331303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 7225344 = 4805^2 + 2688^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313369 - 2⁹ = 30312857 is a prime.

It is a super-2 number, since 2×30313369² = 1837800680260322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30313399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156684 + 15156685.

It is an arithmetic number, because the mean of its divisors is an integer number (15156685).

Almost surely, 2^30313369 is an apocalyptic number.

It is an amenable number.

30313369 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313369 is an equidigital number, since it uses as much as digits as its factorization.

30313369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 28.

The square root of 30313369 is about 5505.7578043354. The cubic root of 30313369 is about 311.8014056414.

It can be divided in two parts, 3031 and 3369, that added together give a square (6400 = 80²).

The spelling of 30313369 in words is "thirty million, three hundred thirteen thousand, three hundred sixty-nine".