1312014103440 has 40 divisors (see below), whose sum is σ = 4067243721408. Its totient is φ = 349870427520.

The previous prime is 1312014103427. The next prime is 1312014103469. The reversal of 1312014103440 is 443014102131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1312014103440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733362476 + ... + 2733362955.

Almost surely, 2^{1312014103440} is an apocalyptic number.

1312014103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312014103440 is an abundant number, since it is smaller than the sum of its proper divisors (2755229617968).

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

1312014103440 is a wasteful number, since it uses less digits than its factorization.

1312014103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466725447 (or 5466725441 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1312014103440 its reverse (443014102131), we get a palindrome (1755028205571).

The spelling of 1312014103440 in words is "one trillion, three hundred twelve billion, fourteen million, one hundred three thousand, four hundred forty".