1301340340 has 24 divisors (see below), whose sum is σ = 2770253640. Its totient is φ = 513404928.

The previous prime is 1301340331. The next prime is 1301340349. The reversal of 1301340340 is 430431031.

It is an interprime number because it is at equal distance from previous prime (1301340331) and next prime (1301340349).

It can be written as a sum of positive squares in 4 ways, for example, as 108743184 + 1192597156 = 10428^2 + 34534^2 .

It is a super-2 number, since 2×1301340340² = 3386973361022631200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301340349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444205 + ... + 447124.

It is an arithmetic number, because the mean of its divisors is an integer number (115427235).

Almost surely, 2^1301340340 is an apocalyptic number.

1301340340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301340340 is an abundant number, since it is smaller than the sum of its proper divisors (1468913300).

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

1301340340 is a wasteful number, since it uses less digits than its factorization.

1301340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891411 (or 891409 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1301340340 is about 36074.0951376469. The cubic root of 1301340340 is about 1091.7678407742.

Adding to 1301340340 its reverse (430431031), we get a palindrome (1731771371).

The spelling of 1301340340 in words is "one billion, three hundred one million, three hundred forty thousand, three hundred forty".