1020310002 has 24 divisors (see below), whose sum is σ = 2270421036. Its totient is φ = 330911136.

The previous prime is 1020310001. The next prime is 1020310003. The reversal of 1020310002 is 2000130201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020310001) and next prime (1020310003).

It can be written as a sum of positive squares in 2 ways, for example, as 1012576041 + 7733961 = 31821^2 + 2781^2 .

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 (1020310001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765333 + ... + 766664.

Almost surely, 2^1020310002 is an apocalyptic number.

1020310002 is an abundant number, since it is smaller than the sum of its proper divisors (1250111034).

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

1020310002 is a wasteful number, since it uses less digits than its factorization.

1020310002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532042 (or 1532039 counting only the distinct ones).

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

The square root of 1020310002 is about 31942.2917462101. The cubic root of 1020310002 is about 1006.7246780062.

Adding to 1020310002 its reverse (2000130201), we get a palindrome (3020440203).

The spelling of 1020310002 in words is "one billion, twenty million, three hundred ten thousand, two".