30331097 has 2 divisors, whose sum is σ = 30331098. Its totient is φ = 30331096.

The previous prime is 30331079. The next prime is 30331099. The reversal of 30331097 is 79013303.

Together with previous prime (30331079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18627856 + 11703241 = 4316^2 + 3421^2 .

It is a cyclic number.

It is not a de Polignac number, because 30331097 - 2⁶ = 30331033 is a prime.

Together with 30331099, 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 (30331099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165548 + 15165549.

It is an arithmetic number, because the mean of its divisors is an integer number (15165549).

Almost surely, 2^30331097 is an apocalyptic number.

It is an amenable number.

30331097 is a deficient number, since it is larger than the sum of its proper divisors (1).

30331097 is an equidigital number, since it uses as much as digits as its factorization.

30331097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 30331097 is about 5507.3675199681. The cubic root of 30331097 is about 311.8621768268.

The spelling of 30331097 in words is "thirty million, three hundred thirty-one thousand, ninety-seven".