1051130331217 has 2 divisors, whose sum is σ = 1051130331218. Its totient is φ = 1051130331216.

The previous prime is 1051130331203. The next prime is 1051130331289. The reversal of 1051130331217 is 7121330311501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1049854341376 + 1275989841 = 1024624^2 + 35721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051130331217 - 2³¹ = 1048982847569 is a prime.

It is a super-2 number, since 2×1051130331217² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051130337217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525565165608 + 525565165609.

It is an arithmetic number, because the mean of its divisors is an integer number (525565165609).

Almost surely, 2^{1051130331217} is an apocalyptic number.

It is an amenable number.

1051130331217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051130331217 is an equidigital number, since it uses as much as digits as its factorization.

1051130331217 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 28.

Adding to 1051130331217 its reverse (7121330311501), we get a palindrome (8172460642718).

The spelling of 1051130331217 in words is "one trillion, fifty-one billion, one hundred thirty million, three hundred thirty-one thousand, two hundred seventeen".