1420321313 has 8 divisors (see below), whose sum is σ = 1475452800. Its totient is φ = 1365600208.

The previous prime is 1420321297. The next prime is 1420321319. The reversal of 1420321313 is 3131230241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420321313 - 2⁴ = 1420321297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420321319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95531 + ... + 109392.

It is an arithmetic number, because the mean of its divisors is an integer number (184431600).

Almost surely, 2^1420321313 is an apocalyptic number.

It is an amenable number.

1420321313 is a deficient number, since it is larger than the sum of its proper divisors (55131487).

1420321313 is a wasteful number, since it uses less digits than its factorization.

1420321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205191.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1420321313 is about 37687.1505025254. The cubic root of 1420321313 is about 1124.0756358912.

Adding to 1420321313 its reverse (3131230241), we get a palindrome (4551551554).

The spelling of 1420321313 in words is "one billion, four hundred twenty million, three hundred twenty-one thousand, three hundred thirteen".