30312131330029 has 2 divisors, whose sum is σ = 30312131330030. Its totient is φ = 30312131330028.

The previous prime is 30312131329979. The next prime is 30312131330071. The reversal of 30312131330029 is 92003313121303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21196834416004 + 9115296914025 = 4604002^2 + 3019155^2 .

It is a cyclic number.

It is not a de Polignac number, because 30312131330029 - 2⁹ = 30312131329517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30312131330729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156065665014 + 15156065665015.

It is an arithmetic number, because the mean of its divisors is an integer number (15156065665015).

Almost surely, 2^{30312131330029} is an apocalyptic number.

It is an amenable number.

30312131330029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30312131330029 is an equidigital number, since it uses as much as digits as its factorization.

30312131330029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The spelling of 30312131330029 in words is "thirty trillion, three hundred twelve billion, one hundred thirty-one million, three hundred thirty thousand, twenty-nine".