30195013 has 2 divisors, whose sum is σ = 30195014. Its totient is φ = 30195012.

The previous prime is 30194977. The next prime is 30195029. The reversal of 30195013 is 31059103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 7935489 = 4718^2 + 2817^2 .

It is a cyclic number.

It is not a de Polignac number, because 30195013 - 2⁹ = 30194501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30195083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15097506 + 15097507.

It is an arithmetic number, because the mean of its divisors is an integer number (15097507).

Almost surely, 2^30195013 is an apocalyptic number.

It is an amenable number.

30195013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30195013 is an equidigital number, since it uses as much as digits as its factorization.

30195013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 30195013 is about 5494.9989080982. The cubic root of 30195013 is about 311.3950755655.

The spelling of 30195013 in words is "thirty million, one hundred ninety-five thousand, thirteen".