1313031311112 has 32 divisors (see below), whose sum is σ = 3286044626400. Its totient is φ = 437214923904.

The previous prime is 1313031311107. The next prime is 1313031311117. The reversal of 1313031311112 is 2111131303131.

It is an interprime number because it is at equal distance from previous prime (1313031311107) and next prime (1313031311117).

It is not an unprimeable number, because it can be changed into a prime (1313031311117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28863037 + ... + 28908492.

It is an arithmetic number, because the mean of its divisors is an integer number (102688894575).

Almost surely, 2^{1313031311112} is an apocalyptic number.

1313031311112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313031311112 is an abundant number, since it is smaller than the sum of its proper divisors (1973013315288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313031311112 is a wasteful number, since it uses less digits than its factorization.

1313031311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57772485 (or 57772481 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1313031311112 its reverse (2111131303131), we get a palindrome (3424162614243).

The spelling of 1313031311112 in words is "one trillion, three hundred thirteen billion, thirty-one million, three hundred eleven thousand, one hundred twelve".