1343453141 has 2 divisors, whose sum is σ = 1343453142. Its totient is φ = 1343453140.

The previous prime is 1343453119. The next prime is 1343453147. The reversal of 1343453141 is 1413543431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1187078116 + 156375025 = 34454^2 + 12505^2 .

It is an emirp because it is prime and its reverse (1413543431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343453141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343453147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671726570 + 671726571.

It is an arithmetic number, because the mean of its divisors is an integer number (671726571).

Almost surely, 2^1343453141 is an apocalyptic number.

It is an amenable number.

1343453141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343453141 is an equidigital number, since it uses as much as digits as its factorization.

1343453141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 1343453141 is about 36653.1463997295. The cubic root of 1343453141 is about 1103.4199734103.

Adding to 1343453141 its reverse (1413543431), we get a palindrome (2756996572).

The spelling of 1343453141 in words is "one billion, three hundred forty-three million, four hundred fifty-three thousand, one hundred forty-one".