1003343401 has 4 divisors (see below), whose sum is σ = 1003450752. Its totient is φ = 1003236052.

The previous prime is 1003343399. The next prime is 1003343423. The reversal of 1003343401 is 1043433001.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1003343401 - 2¹ = 1003343399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003343441) 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, 38161 + ... + 58846.

It is an arithmetic number, because the mean of its divisors is an integer number (250862688).

Almost surely, 2^1003343401 is an apocalyptic number.

It is an amenable number.

1003343401 is a deficient number, since it is larger than the sum of its proper divisors (107351).

1003343401 is an equidigital number, since it uses as much as digits as its factorization.

1003343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107350.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1003343401 is about 31675.5963006223. The cubic root of 1003343401 is about 1001.1132272652.

Adding to 1003343401 its reverse (1043433001), we get a palindrome (2046776402).

The spelling of 1003343401 in words is "one billion, three million, three hundred forty-three thousand, four hundred one".