11011031020313 has 4 divisors (see below), whose sum is σ = 11017628404260. Its totient is φ = 11004433636368.

The previous prime is 11011031020291. The next prime is 11011031020373. The reversal of 11011031020313 is 31302013011011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9334075949584 + 1676955070729 = 3055172^2 + 1294973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011031020313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011031020291 and 11011031020300.

It is not an unprimeable number, because it can be changed into a prime (11011031020373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3298689470 + ... + 3298692807.

It is an arithmetic number, because the mean of its divisors is an integer number (2754407101065).

Almost surely, 2^{11011031020313} is an apocalyptic number.

It is an amenable number.

11011031020313 is a deficient number, since it is larger than the sum of its proper divisors (6597383947).

11011031020313 is an equidigital number, since it uses as much as digits as its factorization.

11011031020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597383946.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11011031020313 its reverse (31302013011011), we get a palindrome (42313044031324).

The spelling of 11011031020313 in words is "eleven trillion, eleven billion, thirty-one million, twenty thousand, three hundred thirteen".