30102997 has 2 divisors, whose sum is σ = 30102998. Its totient is φ = 30102996.

The previous prime is 30102991. The next prime is 30103001. The reversal of 30102997 is 79920103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17422276 + 12680721 = 4174^2 + 3561^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102997 - 2¹¹ = 30100949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30102991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051498 + 15051499.

It is an arithmetic number, because the mean of its divisors is an integer number (15051499).

Almost surely, 2^30102997 is an apocalyptic number.

It is an amenable number.

30102997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102997 is an equidigital number, since it uses as much as digits as its factorization.

30102997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 30102997 is about 5486.6198155148. The cubic root of 30102997 is about 311.0784395632.

The spelling of 30102997 in words is "thirty million, one hundred two thousand, nine hundred ninety-seven".