1310112405 has 96 divisors (see below), whose sum is σ = 2661984000. Its totient is φ = 583704576.

The previous prime is 1310112389. The next prime is 1310112409. The reversal of 1310112405 is 5042110131.

It is not a de Polignac number, because 1310112405 - 2⁴ = 1310112389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310112409) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2917621 + ... + 2918069.

It is an arithmetic number, because the mean of its divisors is an integer number (27729000).

Almost surely, 2^1310112405 is an apocalyptic number.

1310112405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1310112405 is an abundant number, since it is smaller than the sum of its proper divisors (1351871595).

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

1310112405 is a wasteful number, since it uses less digits than its factorization.

1310112405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1310112405 is about 36195.4749243604. The cubic root of 1310112405 is about 1094.2154760850.

Adding to 1310112405 its reverse (5042110131), we get a palindrome (6352222536).

The spelling of 1310112405 in words is "one billion, three hundred ten million, one hundred twelve thousand, four hundred five".