1343204402 has 4 divisors (see below), whose sum is σ = 2014806606. Its totient is φ = 671602200.

The previous prime is 1343204389. The next prime is 1343204407. The reversal of 1343204402 is 2044023431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2044023431 = 5449 ⋅375119.

It can be written as a sum of positive squares in only one way, i.e., 871489441 + 471714961 = 29521^2 + 21719^2 .

It is not an unprimeable number, because it can be changed into a prime (1343204407) 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 as a sum of consecutive naturals, namely, 335801099 + ... + 335801102.

Almost surely, 2^1343204402 is an apocalyptic number.

1343204402 is a deficient number, since it is larger than the sum of its proper divisors (671602204).

1343204402 is an equidigital number, since it uses as much as digits as its factorization.

1343204402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671602203.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1343204402 is about 36649.7530960305. The cubic root of 1343204402 is about 1103.3518701737.

Adding to 1343204402 its reverse (2044023431), we get a palindrome (3387227833).

The spelling of 1343204402 in words is "one billion, three hundred forty-three million, two hundred four thousand, four hundred two".