11031231013311 has 8 divisors (see below), whose sum is σ = 14909791689520. Its totient is φ = 7253412172992.

The previous prime is 11031231013273. The next prime is 11031231013393. The reversal of 11031231013311 is 11331013213011.

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

It is not a de Polignac number, because 11031231013311 - 2¹⁰ = 11031231012287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031231013511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25185458716 + ... + 25185459153.

It is an arithmetic number, because the mean of its divisors is an integer number (1863723961190).

Almost surely, 2^{11031231013311} is an apocalyptic number.

11031231013311 is a deficient number, since it is larger than the sum of its proper divisors (3878560676209).

11031231013311 is an equidigital number, since it uses as much as digits as its factorization.

11031231013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50370917945.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11031231013311 its reverse (11331013213011), we get a palindrome (22362244226322).

The spelling of 11031231013311 in words is "eleven trillion, thirty-one billion, two hundred thirty-one million, thirteen thousand, three hundred eleven".