1310302340 has 12 divisors (see below), whose sum is σ = 2751634956. Its totient is φ = 524120928.

The previous prime is 1310302337. The next prime is 1310302351. The reversal of 1310302340 is 432030131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 583029316 + 727273024 = 24146^2 + 26968^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32757539 + ... + 32757578.

It is an arithmetic number, because the mean of its divisors is an integer number (229302913).

Almost surely, 2^1310302340 is an apocalyptic number.

1310302340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310302340 is an abundant number, since it is smaller than the sum of its proper divisors (1441332616).

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

1310302340 is a wasteful number, since it uses less digits than its factorization.

1310302340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65515126 (or 65515124 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1310302340 is about 36198.0985688475. The cubic root of 1310302340 is about 1094.2683518975.

Adding to 1310302340 its reverse (432030131), we get a palindrome (1742332471).

The spelling of 1310302340 in words is "one billion, three hundred ten million, three hundred two thousand, three hundred forty".