30310211293 has 2 divisors, whose sum is σ = 30310211294. Its totient is φ = 30310211292.

The previous prime is 30310211237. The next prime is 30310211357. The reversal of 30310211293 is 39211201303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17045391364 + 13264819929 = 130558^2 + 115173^2 .

It is a cyclic number.

It is not a de Polignac number, because 30310211293 - 2¹³ = 30310203101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30310212293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155105646 + 15155105647.

It is an arithmetic number, because the mean of its divisors is an integer number (15155105647).

Almost surely, 2^30310211293 is an apocalyptic number.

It is an amenable number.

30310211293 is a deficient number, since it is larger than the sum of its proper divisors (1).

30310211293 is an equidigital number, since it uses as much as digits as its factorization.

30310211293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 30310211293 its reverse (39211201303), we get a palindrome (69521412596).

The spelling of 30310211293 in words is "thirty billion, three hundred ten million, two hundred eleven thousand, two hundred ninety-three".