1011313211243 has 8 divisors (see below), whose sum is σ = 1026286560768. Its totient is φ = 996406263144.

The previous prime is 1011313211219. The next prime is 1011313211263. The reversal of 1011313211243 is 3421123131101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011313211243 - 2¹² = 1011313207147 is a prime.

It is a super-2 number, since 2×1011313211243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011313211263) 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 7 ways as a sum of consecutive naturals, for example, 16569671 + ... + 16630592.

It is an arithmetic number, because the mean of its divisors is an integer number (128285820096).

Almost surely, 2^{1011313211243} is an apocalyptic number.

1011313211243 is a deficient number, since it is larger than the sum of its proper divisors (14973349525).

1011313211243 is an equidigital number, since it uses as much as digits as its factorization.

1011313211243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33200713.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1011313211243 its reverse (3421123131101), we get a palindrome (4432436342344).

The spelling of 1011313211243 in words is "one trillion, eleven billion, three hundred thirteen million, two hundred eleven thousand, two hundred forty-three".