1442003313 has 4 divisors (see below), whose sum is σ = 1922671088. Its totient is φ = 961335540.

The previous prime is 1442003243. The next prime is 1442003351. The reversal of 1442003313 is 3133002441.

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 not a de Polignac number, because 1442003313 - 2⁹ = 1442002801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442003313.

It is not an unprimeable number, because it can be changed into a prime (1442003363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240333883 + ... + 240333888.

It is an arithmetic number, because the mean of its divisors is an integer number (480667772).

Almost surely, 2^1442003313 is an apocalyptic number.

It is an amenable number.

1442003313 is a deficient number, since it is larger than the sum of its proper divisors (480667775).

1442003313 is an equidigital number, since it uses as much as digits as its factorization.

1442003313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480667774.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1442003313 is about 37973.7187143951. The cubic root of 1442003313 is about 1129.7666558146.

Adding to 1442003313 its reverse (3133002441), we get a palindrome (4575005754).

The spelling of 1442003313 in words is "one billion, four hundred forty-two million, three thousand, three hundred thirteen".