1421301313 has 8 divisors (see below), whose sum is σ = 1479713768. Its totient is φ = 1363941504.

The previous prime is 1421301311. The next prime is 1421301347. The reversal of 1421301313 is 3131031241.

It can be written as a sum of positive squares in 4 ways, for example, as 222964624 + 1198336689 = 14932^2 + 34617^2 .

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 1421301313 - 2¹ = 1421301311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421301311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260406 + ... + 265807.

It is an arithmetic number, because the mean of its divisors is an integer number (184964221).

Almost surely, 2^1421301313 is an apocalyptic number.

It is an amenable number.

1421301313 is a deficient number, since it is larger than the sum of its proper divisors (58412455).

1421301313 is an equidigital number, since it uses as much as digits as its factorization.

1421301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526323.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1421301313 is about 37700.1500394892. The cubic root of 1421301313 is about 1124.3341081231.

Adding to 1421301313 its reverse (3131031241), we get a palindrome (4552332554).

The spelling of 1421301313 in words is "one billion, four hundred twenty-one million, three hundred one thousand, three hundred thirteen".