30120213031253 has 2 divisors, whose sum is σ = 30120213031254. Its totient is φ = 30120213031252.

The previous prime is 30120213031247. The next prime is 30120213031267. The reversal of 30120213031253 is 35213031202103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30065460307204 + 54752724049 = 5483198^2 + 233993^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120213031253 - 2⁸ = 30120213030997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120213031213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060106515626 + 15060106515627.

It is an arithmetic number, because the mean of its divisors is an integer number (15060106515627).

Almost surely, 2^{30120213031253} is an apocalyptic number.

It is an amenable number.

30120213031253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120213031253 is an equidigital number, since it uses as much as digits as its factorization.

30120213031253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 30120213031253 its reverse (35213031202103), we get a palindrome (65333244233356).

The spelling of 30120213031253 in words is "thirty trillion, one hundred twenty billion, two hundred thirteen million, thirty-one thousand, two hundred fifty-three".