11331111321313 has 16 divisors (see below), whose sum is σ = 13398667090560. Its totient is φ = 9375875913600.

The previous prime is 11331111321289. The next prime is 11331111321317. The reversal of 11331111321313 is 31312311113311.

It is not a de Polignac number, because 11331111321313 - 2²⁹ = 11330574450401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331111321317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3551803 + ... + 5939488.

It is an arithmetic number, because the mean of its divisors is an integer number (837416693160).

Almost surely, 2^{11331111321313} is an apocalyptic number.

It is an amenable number.

11331111321313 is a deficient number, since it is larger than the sum of its proper divisors (2067555769247).

11331111321313 is an equidigital number, since it uses as much as digits as its factorization.

11331111321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497208.

The product of its digits is 486, while the sum is 25.

Adding to 11331111321313 its reverse (31312311113311), we get a palindrome (42643422434624).

The spelling of 11331111321313 in words is "eleven trillion, three hundred thirty-one billion, one hundred eleven million, three hundred twenty-one thousand, three hundred thirteen".