2003312021002 has 4 divisors (see below), whose sum is σ = 3004968031506. Its totient is φ = 1001656010500.

The previous prime is 2003312020961. The next prime is 2003312021033. The reversal of 2003312021002 is 2001202133002.

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., 1233163609441 + 770148411561 = 1110479^2 + 877581^2 .

It is a super-2 number, since 2×2003312021002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500828005249 + ... + 500828005252.

Almost surely, 2^{2003312021002} is an apocalyptic number.

2003312021002 is a deficient number, since it is larger than the sum of its proper divisors (1001656010504).

2003312021002 is a wasteful number, since it uses less digits than its factorization.

2003312021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001656010503.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2003312021002 its reverse (2001202133002), we get a palindrome (4004514154004).

The spelling of 2003312021002 in words is "two trillion, three billion, three hundred twelve million, twenty-one thousand, two".