1310341340 has 72 divisors (see below), whose sum is σ = 3492003312. Its totient is φ = 408414720.

The previous prime is 1310341339. The next prime is 1310341343. The reversal of 1310341340 is 431430131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310341343) 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, 49997 + ... + 71556.

It is an arithmetic number, because the mean of its divisors is an integer number (48500046).

Almost surely, 2^1310341340 is an apocalyptic number.

1310341340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310341340 is an abundant number, since it is smaller than the sum of its proper divisors (2181661972).

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

1310341340 is a wasteful number, since it uses less digits than its factorization.

1310341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121587 (or 121578 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1310341340 is about 36198.6372671679. The cubic root of 1310341340 is about 1094.2792084357.

Adding to 1310341340 its reverse (431430131), we get a palindrome (1741771471).

The spelling of 1310341340 in words is "one billion, three hundred ten million, three hundred forty-one thousand, three hundred forty".