1003324400401 has 4 divisors (see below), whose sum is σ = 1004999400000. Its totient is φ = 1001649400804.

The previous prime is 1003324400371. The next prime is 1003324400411. The reversal of 1003324400401 is 1040044233001.

1003324400401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1003324400401 - 2²⁹ = 1002787529489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003324400411) 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, 837498901 + ... + 837500098.

It is an arithmetic number, because the mean of its divisors is an integer number (251249850000).

Almost surely, 2^{1003324400401} is an apocalyptic number.

It is an amenable number.

1003324400401 is a deficient number, since it is larger than the sum of its proper divisors (1674999599).

1003324400401 is an equidigital number, since it uses as much as digits as its factorization.

1003324400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674999598.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1003324400401 its reverse (1040044233001), we get a palindrome (2043368633402).

The spelling of 1003324400401 in words is "one trillion, three billion, three hundred twenty-four million, four hundred thousand, four hundred one".