1428312113 has 4 divisors (see below), whose sum is σ = 1437074928. Its totient is φ = 1419549300.

The previous prime is 1428312079. The next prime is 1428312163. The reversal of 1428312113 is 3112138241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1428312113 - 2¹⁰ = 1428311089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428312163) 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 3 ways as a sum of consecutive naturals, for example, 4381163 + ... + 4381488.

It is an arithmetic number, because the mean of its divisors is an integer number (359268732).

Almost surely, 2^1428312113 is an apocalyptic number.

It is an amenable number.

1428312113 is a deficient number, since it is larger than the sum of its proper divisors (8762815).

1428312113 is an equidigital number, since it uses as much as digits as its factorization.

1428312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762814.

The product of its digits is 1152, while the sum is 26.

The square root of 1428312113 is about 37793.0167226698. The cubic root of 1428312113 is about 1126.1797304769.

The spelling of 1428312113 in words is "one billion, four hundred twenty-eight million, three hundred twelve thousand, one hundred thirteen".