1311631144112 has 20 divisors (see below), whose sum is σ = 2541307002936. Its totient is φ = 655809982080.

The previous prime is 1311631144099. The next prime is 1311631144121. The reversal of 1311631144112 is 2114411361131.

It is a happy number.

It is a super-2 number, since 2×1311631144112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111783 + ... + 2661369.

Almost surely, 2^{1311631144112} is an apocalyptic number.

It is an amenable number.

1311631144112 is a deficient number, since it is larger than the sum of its proper divisors (1229675858824).

1311631144112 is a wasteful number, since it uses less digits than its factorization.

1311631144112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698756 (or 698750 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The spelling of 1311631144112 in words is "one trillion, three hundred eleven billion, six hundred thirty-one million, one hundred forty-four thousand, one hundred twelve".