1000303401 has 4 divisors (see below), whose sum is σ = 1333737872. Its totient is φ = 666868932.

The previous prime is 1000303391. The next prime is 1000303427. The reversal of 1000303401 is 1043030001.

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 1000303401 - 2¹¹ = 1000301353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000308401) 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 3 ways as a sum of consecutive naturals, for example, 166717231 + ... + 166717236.

It is an arithmetic number, because the mean of its divisors is an integer number (333434468).

Almost surely, 2^1000303401 is an apocalyptic number.

It is an amenable number.

1000303401 is a deficient number, since it is larger than the sum of its proper divisors (333434471).

1000303401 is an equidigital number, since it uses as much as digits as its factorization.

1000303401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333434470.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1000303401 is about 31627.5734288927. The cubic root of 1000303401 is about 1000.1011234404.

Adding to 1000303401 its reverse (1043030001), we get a palindrome (2043333402).

The spelling of 1000303401 in words is "one billion, three hundred three thousand, four hundred one".