11311123031313 has 24 divisors (see below), whose sum is σ = 17606216115360. Its totient is φ = 6440497076160.

The previous prime is 11311123031311. The next prime is 11311123031347. The reversal of 11311123031313 is 31313032111311.

It is not a de Polignac number, because 11311123031313 - 2¹ = 11311123031311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311123031311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136874023 + ... + 136956636.

It is an arithmetic number, because the mean of its divisors is an integer number (733592338140).

Almost surely, 2^{11311123031313} is an apocalyptic number.

It is an amenable number.

11311123031313 is a deficient number, since it is larger than the sum of its proper divisors (6295093084047).

11311123031313 is a wasteful number, since it uses less digits than its factorization.

11311123031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273830957 (or 273830950 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 11311123031313 its reverse (31313032111311), we get a palindrome (42624155142624).

The spelling of 11311123031313 in words is "eleven trillion, three hundred eleven billion, one hundred twenty-three million, thirty-one thousand, three hundred thirteen".