30212031231133 has 2 divisors, whose sum is σ = 30212031231134. Its totient is φ = 30212031231132.

The previous prime is 30212031231101. The next prime is 30212031231163. The reversal of 30212031231133 is 33113213021203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29292969640804 + 919061590329 = 5412298^2 + 958677^2 .

It is a cyclic number.

It is not a de Polignac number, because 30212031231133 - 2⁵ = 30212031231101 is a prime.

It is a super-2 number, since 2×30212031231133² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212031231098 and 30212031231107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30212031231163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106015615566 + 15106015615567.

It is an arithmetic number, because the mean of its divisors is an integer number (15106015615567).

Almost surely, 2^{30212031231133} is an apocalyptic number.

It is an amenable number.

30212031231133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212031231133 is an equidigital number, since it uses as much as digits as its factorization.

30212031231133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30212031231133 its reverse (33113213021203), we get a palindrome (63325244252336).

The spelling of 30212031231133 in words is "thirty trillion, two hundred twelve billion, thirty-one million, two hundred thirty-one thousand, one hundred thirty-three".