1311311330312 has 48 divisors (see below), whose sum is σ = 2503954978560. Its totient is φ = 643804074848.

The previous prime is 1311311330309. The next prime is 1311311330347. The reversal of 1311311330312 is 2130331131131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24674633 + ... + 24727719.

It is an arithmetic number, because the mean of its divisors is an integer number (52165728720).

Almost surely, 2^{1311311330312} is an apocalyptic number.

It is an amenable number.

1311311330312 is a deficient number, since it is larger than the sum of its proper divisors (1192643648248).

1311311330312 is an equidigital number, since it uses as much as digits as its factorization.

1311311330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54098 (or 54035 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1311311330312 its reverse (2130331131131), we get a palindrome (3441642461443).

The spelling of 1311311330312 in words is "one trillion, three hundred eleven billion, three hundred eleven million, three hundred thirty thousand, three hundred twelve".