1421342313 has 16 divisors (see below), whose sum is σ = 1914587136. Its totient is φ = 937875600.

The previous prime is 1421342303. The next prime is 1421342317. The reversal of 1421342313 is 3132431241.

It is a happy number.

It is not a de Polignac number, because 1421342313 - 2⁶ = 1421342249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421342317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122656 + ... + 133742.

It is an arithmetic number, because the mean of its divisors is an integer number (119661696).

Almost surely, 2^1421342313 is an apocalyptic number.

It is an amenable number.

1421342313 is a deficient number, since it is larger than the sum of its proper divisors (493244823).

1421342313 is a wasteful number, since it uses less digits than its factorization.

1421342313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11524.

The product of its digits is 1728, while the sum is 24.

The square root of 1421342313 is about 37700.6937999820. The cubic root of 1421342313 is about 1124.3449191676.

Adding to 1421342313 its reverse (3132431241), we get a palindrome (4553773554).

The spelling of 1421342313 in words is "one billion, four hundred twenty-one million, three hundred forty-two thousand, three hundred thirteen".