1011313212303 has 16 divisors (see below), whose sum is σ = 1354088736000. Its totient is φ = 671373563520.

The previous prime is 1011313212271. The next prime is 1011313212307. The reversal of 1011313212303 is 3032123131101.

It is a happy number.

It is not a de Polignac number, because 1011313212303 - 2⁵ = 1011313212271 is a prime.

It is a super-2 number, since 2×1011313212303² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1011313212303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011313212307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19711558 + ... + 19762796.

It is an arithmetic number, because the mean of its divisors is an integer number (84630546000).

Almost surely, 2^{1011313212303} is an apocalyptic number.

1011313212303 is a deficient number, since it is larger than the sum of its proper divisors (342775523697).

1011313212303 is a wasteful number, since it uses less digits than its factorization.

1011313212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78782.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1011313212303 its reverse (3032123131101), we get a palindrome (4043436343404).

The spelling of 1011313212303 in words is "one trillion, eleven billion, three hundred thirteen million, two hundred twelve thousand, three hundred three".