1343130421 has 16 divisors (see below), whose sum is σ = 1390503168. Its totient is φ = 1296648000.

The previous prime is 1343130419. The next prime is 1343130427. The reversal of 1343130421 is 1240313431.

It is a cyclic number.

It is not a de Polignac number, because 1343130421 - 2¹ = 1343130419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343130392 and 1343130401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343130427) 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 15 ways as a sum of consecutive naturals, for example, 2482411 + ... + 2482951.

It is an arithmetic number, because the mean of its divisors is an integer number (86906448).

Almost surely, 2^1343130421 is an apocalyptic number.

It is an amenable number.

1343130421 is a deficient number, since it is larger than the sum of its proper divisors (47372747).

1343130421 is a wasteful number, since it uses less digits than its factorization.

1343130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1343130421 is about 36648.7437847466. The cubic root of 1343130421 is about 1103.3316130003.

Adding to 1343130421 its reverse (1240313431), we get a palindrome (2583443852).

The spelling of 1343130421 in words is "one billion, three hundred forty-three million, one hundred thirty thousand, four hundred twenty-one".