1023003203311 has 2 divisors, whose sum is σ = 1023003203312. Its totient is φ = 1023003203310.

The previous prime is 1023003203273. The next prime is 1023003203407. The reversal of 1023003203311 is 1133023003201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023003203311 - 2¹³ = 1023003195119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023003213311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511501601655 + 511501601656.

It is an arithmetic number, because the mean of its divisors is an integer number (511501601656).

Almost surely, 2^{1023003203311} is an apocalyptic number.

1023003203311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023003203311 is an equidigital number, since it uses as much as digits as its factorization.

1023003203311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1023003203311 its reverse (1133023003201), we get a palindrome (2156026206512).

The spelling of 1023003203311 in words is "one trillion, twenty-three billion, three million, two hundred three thousand, three hundred eleven".