1002031002 has 24 divisors (see below), whose sum is σ = 2481219936. Its totient is φ = 286294536.

The previous prime is 1002030989. The next prime is 1002031031. The reversal of 1002031002 is 2001302001.

It is a happy number.

It is a super-2 number, since 2×1002031002² = 2008132257938248008, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3976188 + ... + 3976439.

It is an arithmetic number, because the mean of its divisors is an integer number (103384164).

Almost surely, 2^1002031002 is an apocalyptic number.

1002031002 is an abundant number, since it is smaller than the sum of its proper divisors (1479188934).

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

1002031002 is a wasteful number, since it uses less digits than its factorization.

1002031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952642 (or 7952639 counting only the distinct ones).

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

The square root of 1002031002 is about 31654.8732741106. The cubic root of 1002031002 is about 1000.6765428532.

Adding to 1002031002 its reverse (2001302001), we get a palindrome (3003333003).

The spelling of 1002031002 in words is "one billion, two million, thirty-one thousand, two".