10311331331311 has 4 divisors (see below), whose sum is σ = 10441854512800. Its totient is φ = 10180808149824.

The previous prime is 10311331331299. The next prime is 10311331331339. The reversal of 10311331331311 is 11313313311301.

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 10311331331311 - 2²³ = 10311322942703 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 (10311331301311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65261590626 + ... + 65261590783.

It is an arithmetic number, because the mean of its divisors is an integer number (2610463628200).

Almost surely, 2^{10311331331311} is an apocalyptic number.

10311331331311 is a deficient number, since it is larger than the sum of its proper divisors (130523181489).

10311331331311 is an equidigital number, since it uses as much as digits as its factorization.

10311331331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130523181488.

The product of its (nonzero) digits is 729, while the sum is 25.

Adding to 10311331331311 its reverse (11313313311301), we get a palindrome (21624644642612).

The spelling of 10311331331311 in words is "ten trillion, three hundred eleven billion, three hundred thirty-one million, three hundred thirty-one thousand, three hundred eleven".