1343130340 has 48 divisors (see below), whose sum is σ = 2924050752. Its totient is φ = 517815936.

The previous prime is 1343130337. The next prime is 1343130343. The reversal of 1343130340 is 430313431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1343130337) and next prime (1343130343).

It is a super-2 number, since 2×1343130340² = 3607998220457031200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1343130343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70699 + ... + 87661.

It is an arithmetic number, because the mean of its divisors is an integer number (60917724).

Almost surely, 2^1343130340 is an apocalyptic number.

1343130340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462025376).

1343130340 is an abundant number, since it is smaller than the sum of its proper divisors (1580920412).

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

1343130340 is a wasteful number, since it uses less digits than its factorization.

1343130340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17116 (or 17114 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1343130340 is about 36648.7426796609. The cubic root of 1343130340 is about 1103.3315908208.

Adding to 1343130340 its reverse (430313431), we get a palindrome (1773443771).

The spelling of 1343130340 in words is "one billion, three hundred forty-three million, one hundred thirty thousand, three hundred forty".