30000000002 has 12 divisors (see below), whose sum is σ = 52346938950. Its totient is φ = 12857142816.

The previous prime is 30000000001. The next prime is 30000000013. The reversal of 30000000002 is 20000000003.

30000000002 = 99999² + 100000² + 100001².

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19645105921 + 10354894081 = 140161^2 + 101759^2 .

It is not an unprimeable number, because it can be changed into a prime (30000000001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153061127 + ... + 153061322.

Almost surely, 2^30000000002 is an apocalyptic number.

30000000002 is a deficient number, since it is larger than the sum of its proper divisors (22346938948).

30000000002 is a wasteful number, since it uses less digits than its factorization.

30000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306122465 (or 306122458 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 5.

Adding to 30000000002 its reverse (20000000003), we get a palindrome (50000000005).

Subtracting from 30000000002 its reverse (20000000003), we obtain a palindrome (9999999999).

The spelling of 30000000002 in words is "thirty billion, two", and thus it is an aban number, an eban number, and an uban number.