311040311311 has 4 divisors (see below), whose sum is σ = 311779124824. Its totient is φ = 310301497800.

The previous prime is 311040311303. The next prime is 311040311341. The reversal of 311040311311 is 113113040113.

It is a happy number.

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 311040311311 - 2³ = 311040311303 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 (311040311341) 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, 369406125 + ... + 369406966.

It is an arithmetic number, because the mean of its divisors is an integer number (77944781206).

Almost surely, 2^311040311311 is an apocalyptic number.

311040311311 is a deficient number, since it is larger than the sum of its proper divisors (738813513).

311040311311 is an equidigital number, since it uses as much as digits as its factorization.

311040311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738813512.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 311040311311 its reverse (113113040113), we get a palindrome (424153351424).

The spelling of 311040311311 in words is "three hundred eleven billion, forty million, three hundred eleven thousand, three hundred eleven".