1343112161 has 2 divisors, whose sum is σ = 1343112162. Its totient is φ = 1343112160.

The previous prime is 1343112097. The next prime is 1343112179. The reversal of 1343112161 is 1612113431.

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., 1288810000 + 54302161 = 35900^2 + 7369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343112161 - 2⁶ = 1343112097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343112961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671556080 + 671556081.

It is an arithmetic number, because the mean of its divisors is an integer number (671556081).

Almost surely, 2^1343112161 is an apocalyptic number.

It is an amenable number.

1343112161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343112161 is an equidigital number, since it uses as much as digits as its factorization.

1343112161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 1343112161 is about 36648.4946621277. The cubic root of 1343112161 is about 1103.3266130077.

Adding to 1343112161 its reverse (1612113431), we get a palindrome (2955225592).

The spelling of 1343112161 in words is "one billion, three hundred forty-three million, one hundred twelve thousand, one hundred sixty-one".