30813007 has 2 divisors, whose sum is σ = 30813008. Its totient is φ = 30813006.

The previous prime is 30813001. The next prime is 30813019. The reversal of 30813007 is 70031803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30813007 - 2⁷ = 30812879 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 (30813001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15406503 + 15406504.

It is an arithmetic number, because the mean of its divisors is an integer number (15406504).

Almost surely, 2^30813007 is an apocalyptic number.

30813007 is a deficient number, since it is larger than the sum of its proper divisors (1).

30813007 is an equidigital number, since it uses as much as digits as its factorization.

30813007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 30813007 is about 5550.9464958690. The cubic root of 30813007 is about 313.5051606469.

Subtracting 30813007 from its reverse (70031803), we obtain a triangular number (39218796 = T₈₈₅₆).

The spelling of 30813007 in words is "thirty million, eight hundred thirteen thousand, seven".