2003011002 has 24 divisors (see below), whose sum is σ = 4352377536. Its totient is φ = 665744136.

The previous prime is 2003010991. The next prime is 2003011019. The reversal of 2003011002 is 2001103002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154098 + ... + 166589.

It is an arithmetic number, because the mean of its divisors is an integer number (181349064).

Almost surely, 2^2003011002 is an apocalyptic number.

2003011002 is an abundant number, since it is smaller than the sum of its proper divisors (2349366534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003011002 is a wasteful number, since it uses less digits than its factorization.

2003011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321042 (or 321039 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2003011002 is about 44755.0109149802. The cubic root of 2003011002 is about 1260.5530036654.

Adding to 2003011002 its reverse (2001103002), we get a palindrome (4004114004).

The spelling of 2003011002 in words is "two billion, three million, eleven thousand, two".