30344121373 has 2 divisors, whose sum is σ = 30344121374. Its totient is φ = 30344121372.

The previous prime is 30344121371. The next prime is 30344121397. The reversal of 30344121373 is 37312144303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24549562489 + 5794558884 = 156683^2 + 76122^2 .

It is a cyclic number.

It is not a de Polignac number, because 30344121373 - 2¹ = 30344121371 is a prime.

Together with 30344121371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30344121371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172060686 + 15172060687.

It is an arithmetic number, because the mean of its divisors is an integer number (15172060687).

Almost surely, 2^30344121373 is an apocalyptic number.

It is an amenable number.

30344121373 is a deficient number, since it is larger than the sum of its proper divisors (1).

30344121373 is an equidigital number, since it uses as much as digits as its factorization.

30344121373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 30344121373 its reverse (37312144303), we get a palindrome (67656265676).

The spelling of 30344121373 in words is "thirty billion, three hundred forty-four million, one hundred twenty-one thousand, three hundred seventy-three".