51030103273 has 2 divisors, whose sum is σ = 51030103274. Its totient is φ = 51030103272.

The previous prime is 51030103193. The next prime is 51030103307. The reversal of 51030103273 is 37230103015.

51030103273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38287531584 + 12742571689 = 195672^2 + 112883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51030103273 is a prime.

It is not a weakly prime, because it can be changed into another prime (51030103573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25515051636 + 25515051637.

It is an arithmetic number, because the mean of its divisors is an integer number (25515051637).

Almost surely, 2^51030103273 is an apocalyptic number.

It is an amenable number.

51030103273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51030103273 is an equidigital number, since it uses as much as digits as its factorization.

51030103273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

Adding to 51030103273 its reverse (37230103015), we get a palindrome (88260206288).

The spelling of 51030103273 in words is "fifty-one billion, thirty million, one hundred three thousand, two hundred seventy-three".