1002312002 has 8 divisors (see below), whose sum is σ = 1514442636. Its totient is φ = 497497792.

The previous prime is 1002311969. The next prime is 1002312013. The reversal of 1002312002 is 2002132001.

It is a happy number.

1002312002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 974126521 + 28185481 = 31211^2 + 5309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828763 + ... + 1829310.

Almost surely, 2^1002312002 is an apocalyptic number.

1002312002 is a deficient number, since it is larger than the sum of its proper divisors (512130634).

1002312002 is a wasteful number, since it uses less digits than its factorization.

1002312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658212.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1002312002 is about 31659.3114580845. The cubic root of 1002312002 is about 1000.7700741669.

Adding to 1002312002 its reverse (2002132001), we get a palindrome (3004444003).

The spelling of 1002312002 in words is "one billion, two million, three hundred twelve thousand, two".