30713029 has 2 divisors, whose sum is σ = 30713030. Its totient is φ = 30713028.

The previous prime is 30713021. The next prime is 30713041. The reversal of 30713029 is 92031703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24453025 + 6260004 = 4945^2 + 2502^2 .

It is a cyclic number.

It is not a de Polignac number, because 30713029 - 2³ = 30713021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30712994 and 30713012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30713021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15356514 + 15356515.

It is an arithmetic number, because the mean of its divisors is an integer number (15356515).

Almost surely, 2^30713029 is an apocalyptic number.

It is an amenable number.

30713029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30713029 is an equidigital number, since it uses as much as digits as its factorization.

30713029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30713029 is about 5541.9336878025. The cubic root of 30713029 is about 313.1657197945.

The spelling of 30713029 in words is "thirty million, seven hundred thirteen thousand, twenty-nine".