30031311329 has 2 divisors, whose sum is σ = 30031311330. Its totient is φ = 30031311328.

The previous prime is 30031311313. The next prime is 30031311377. The reversal of 30031311329 is 92311313003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28747880704 + 1283430625 = 169552^2 + 35825^2 .

It is a cyclic number.

It is not a de Polignac number, because 30031311329 - 2⁴ = 30031311313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30031311298 and 30031311307.

It is not a weakly prime, because it can be changed into another prime (30021311329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015655664 + 15015655665.

It is an arithmetic number, because the mean of its divisors is an integer number (15015655665).

Almost surely, 2^30031311329 is an apocalyptic number.

It is an amenable number.

30031311329 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031311329 is an equidigital number, since it uses as much as digits as its factorization.

30031311329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 30031311329 in words is "thirty billion, thirty-one million, three hundred eleven thousand, three hundred twenty-nine".