12311331111303 has 32 divisors (see below), whose sum is σ = 19115692526592. Its totient is φ = 6901730284800.

The previous prime is 12311331111269. The next prime is 12311331111311. The reversal of 12311331111303 is 30311113311321.

It is not a de Polignac number, because 12311331111303 - 2⁶ = 12311331111239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311331111103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12976843 + ... + 13893203.

It is an arithmetic number, because the mean of its divisors is an integer number (597365391456).

Almost surely, 2^{12311331111303} is an apocalyptic number.

12311331111303 is a deficient number, since it is larger than the sum of its proper divisors (6804361415289).

12311331111303 is a wasteful number, since it uses less digits than its factorization.

12311331111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928495.

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

Adding to 12311331111303 its reverse (30311113311321), we get a palindrome (42622444422624).

The spelling of 12311331111303 in words is "twelve trillion, three hundred eleven billion, three hundred thirty-one million, one hundred eleven thousand, three hundred three".