11031011313331 has 4 divisors (see below), whose sum is σ = 11032448960952. Its totient is φ = 11029573665712.

The previous prime is 11031011313323. The next prime is 11031011313341. The reversal of 11031011313331 is 13331311013011.

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

It is a cyclic number.

It is not a de Polignac number, because 11031011313331 - 2³ = 11031011313323 is a prime.

It is a super-2 number, since 2×11031011313331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031011313341) 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 3 ways as a sum of consecutive naturals, for example, 718812301 + ... + 718827646.

It is an arithmetic number, because the mean of its divisors is an integer number (2758112240238).

Almost surely, 2^{11031011313331} is an apocalyptic number.

11031011313331 is a deficient number, since it is larger than the sum of its proper divisors (1437647621).

11031011313331 is an equidigital number, since it uses as much as digits as its factorization.

11031011313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437647620.

The product of its (nonzero) digits is 243, while the sum is 22.

Adding to 11031011313331 its reverse (13331311013011), we get a palindrome (24362322326342).

The spelling of 11031011313331 in words is "eleven trillion, thirty-one billion, eleven million, three hundred thirteen thousand, three hundred thirty-one".