2003000001322 has 4 divisors (see below), whose sum is σ = 3004500001986. Its totient is φ = 1001500000660.

The previous prime is 2003000001311. The next prime is 2003000001341. The reversal of 2003000001322 is 2231000003002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1887406121241 + 115593880081 = 1373829^2 + 339991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500750000329 + ... + 500750000332.

Almost surely, 2^{2003000001322} is an apocalyptic number.

2003000001322 is a deficient number, since it is larger than the sum of its proper divisors (1001500000664).

2003000001322 is a wasteful number, since it uses less digits than its factorization.

2003000001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001500000663.

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

Adding to 2003000001322 its reverse (2231000003002), we get a palindrome (4234000004324).

The spelling of 2003000001322 in words is "two trillion, three billion, one thousand, three hundred twenty-two".