30031223329 has 2 divisors, whose sum is σ = 30031223330. Its totient is φ = 30031223328.

The previous prime is 30031223323. The next prime is 30031223359. The reversal of 30031223329 is 92332213003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18699195025 + 11332028304 = 136745^2 + 106452^2 .

It is a cyclic number.

It is not a de Polignac number, because 30031223329 - 2⁵ = 30031223297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30031223297 and 30031223306.

It is not a weakly prime, because it can be changed into another prime (30031223323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015611664 + 15015611665.

It is an arithmetic number, because the mean of its divisors is an integer number (15015611665).

Almost surely, 2^30031223329 is an apocalyptic number.

It is an amenable number.

30031223329 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031223329 is an equidigital number, since it uses as much as digits as its factorization.

30031223329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 30031223329 in words is "thirty billion, thirty-one million, two hundred twenty-three thousand, three hundred twenty-nine".