30902099 has 2 divisors, whose sum is σ = 30902100. Its totient is φ = 30902098.

The previous prime is 30902093. The next prime is 30902101. The reversal of 30902099 is 99020903.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30902099 is a prime.

Together with 30902101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30902093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15451049 + 15451050.

It is an arithmetic number, because the mean of its divisors is an integer number (15451050).

Almost surely, 2^30902099 is an apocalyptic number.

30902099 is a deficient number, since it is larger than the sum of its proper divisors (1).

30902099 is an equidigital number, since it uses as much as digits as its factorization.

30902099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 30902099 is about 5558.9656411962. The cubic root of 30902099 is about 313.8070237036.

The spelling of 30902099 in words is "thirty million, nine hundred two thousand, ninety-nine".