1031323313303 has 2 divisors, whose sum is σ = 1031323313304. Its totient is φ = 1031323313302.

The previous prime is 1031323313249. The next prime is 1031323313399. The reversal of 1031323313303 is 3033133231301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031323313303 - 2¹⁸ = 1031323051159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031323313803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515661656651 + 515661656652.

It is an arithmetic number, because the mean of its divisors is an integer number (515661656652).

Almost surely, 2^{1031323313303} is an apocalyptic number.

1031323313303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031323313303 is an equidigital number, since it uses as much as digits as its factorization.

1031323313303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 1031323313303 its reverse (3033133231301), we get a palindrome (4064456544604).

The spelling of 1031323313303 in words is "one trillion, thirty-one billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred three".