1003003402 has 4 divisors (see below), whose sum is σ = 1504505106. Its totient is φ = 501501700.

The previous prime is 1003003387. The next prime is 1003003403. The reversal of 1003003402 is 2043003001.

1003003402 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 an emirpimes, since its reverse is a distinct semiprime: 2043003001 = 13 ⋅157154077.

It can be written as a sum of positive squares in only one way, i.e., 1002925561 + 77841 = 31669^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (1003003403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250750849 + ... + 250750852.

Almost surely, 2^1003003402 is an apocalyptic number.

1003003402 is a deficient number, since it is larger than the sum of its proper divisors (501501704).

1003003402 is an equidigital number, since it uses as much as digits as its factorization.

1003003402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501501703.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1003003402 is about 31670.2289540193. The cubic root of 1003003402 is about 1001.0001333997. Note that the first 3 decimals are identical.

Adding to 1003003402 its reverse (2043003001), we get a palindrome (3046006403).

The spelling of 1003003402 in words is "one billion, three million, three thousand, four hundred two".