1031103111287 has 2 divisors, whose sum is σ = 1031103111288. Its totient is φ = 1031103111286.

The previous prime is 1031103111263. The next prime is 1031103111301. The reversal of 1031103111287 is 7821113011301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031103111287 - 2⁶ = 1031103111223 is a prime.

It is a super-2 number, since 2×1031103111287² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031103117287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515551555643 + 515551555644.

It is an arithmetic number, because the mean of its divisors is an integer number (515551555644).

Almost surely, 2^{1031103111287} is an apocalyptic number.

1031103111287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031103111287 is an equidigital number, since it uses as much as digits as its factorization.

1031103111287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

Adding to 1031103111287 its reverse (7821113011301), we get a palindrome (8852216122588).

The spelling of 1031103111287 in words is "one trillion, thirty-one billion, one hundred three million, one hundred eleven thousand, two hundred eighty-seven".