1310912343 has 24 divisors (see below), whose sum is σ = 2114727888. Its totient is φ = 806713344.

The previous prime is 1310912321. The next prime is 1310912363. The reversal of 1310912343 is 3432190131.

1310912343 is a `hidden beast` number, since 1 + 310 + 9 + 1 + 2 + 343 = 666.

It is not a de Polignac number, because 1310912343 - 2⁹ = 1310911831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310912363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204330 + ... + 210647.

It is an arithmetic number, because the mean of its divisors is an integer number (88113662).

Almost surely, 2^1310912343 is an apocalyptic number.

1310912343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1310912343 is a deficient number, since it is larger than the sum of its proper divisors (803815545).

1310912343 is an equidigital number, since it uses as much as digits as its factorization.

1310912343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415005 (or 414993 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1310912343 is about 36206.5234867972. The cubic root of 1310912343 is about 1094.4381354656.

It can be divided in two parts, 13109 and 12343, that added together give a palindrome (25452).

The spelling of 1310912343 in words is "one billion, three hundred ten million, nine hundred twelve thousand, three hundred forty-three".