30020331097 has 2 divisors, whose sum is σ = 30020331098. Its totient is φ = 30020331096.

The previous prime is 30020331091. The next prime is 30020331109. The reversal of 30020331097 is 79013302003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29012649561 + 1007681536 = 170331^2 + 31744^2 .

It is an emirp because it is prime and its reverse (79013302003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020331097 is a prime.

It is not a weakly prime, because it can be changed into another prime (30020331091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010165548 + 15010165549.

It is an arithmetic number, because the mean of its divisors is an integer number (15010165549).

Almost surely, 2^30020331097 is an apocalyptic number.

It is an amenable number.

30020331097 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020331097 is an equidigital number, since it uses as much as digits as its factorization.

30020331097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

The spelling of 30020331097 in words is "thirty billion, twenty million, three hundred thirty-one thousand, ninety-seven".