1303000002 has 36 divisors (see below), whose sum is σ = 2951271414. Its totient is φ = 415446240.

The previous prime is 1303000001. The next prime is 1303000021. The reversal of 1303000002 is 2000003031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1003052241 + 299947761 = 31671^2 + 17319^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1303000001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58899 + ... + 77942.

Almost surely, 2^1303000002 is an apocalyptic number.

1303000002 is an abundant number, since it is smaller than the sum of its proper divisors (1648271412).

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

1303000002 is a wasteful number, since it uses less digits than its factorization.

1303000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136895 (or 136869 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1303000002 is about 36097.0913232632. The cubic root of 1303000002 is about 1092.2317716390.

Adding to 1303000002 its reverse (2000003031), we get a palindrome (3303003033).

The spelling of 1303000002 in words is "one billion, three hundred three million, two", and thus it is an aban number.