30231323099 has 2 divisors, whose sum is σ = 30231323100. Its totient is φ = 30231323098.

The previous prime is 30231323077. The next prime is 30231323117. The reversal of 30231323099 is 99032313203.

It is a strong prime.

It is an emirp because it is prime and its reverse (99032313203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231323099 is a prime.

It is a super-2 number, since 2×30231323099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30231323009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115661549 + 15115661550.

It is an arithmetic number, because the mean of its divisors is an integer number (15115661550).

Almost surely, 2^30231323099 is an apocalyptic number.

30231323099 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231323099 is an equidigital number, since it uses as much as digits as its factorization.

30231323099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 35.

The spelling of 30231323099 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-three thousand, ninety-nine".