30000000032 has 12 divisors (see below), whose sum is σ = 59062500126. Its totient is φ = 15000000000.

The previous prime is 30000000013. The next prime is 30000000053. The reversal of 30000000032 is 23000000003.

It can be written as a sum of positive squares in only one way, i.e., 16580167696 + 13419832336 = 128764^2 + 115844^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 29999999947 and 30000000019.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468749969 + ... + 468750032.

Almost surely, 2^30000000032 is an apocalyptic number.

30000000032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30000000032 is a deficient number, since it is larger than the sum of its proper divisors (29062500094).

30000000032 is an equidigital number, since it uses as much as digits as its factorization.

30000000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937500011 (or 937500003 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 8.

Adding to 30000000032 its reverse (23000000003), we get a palindrome (53000000035).

It can be divided in two parts, 3000000003 and 2, that multiplied together give a palindrome (6000000006).

The spelling of 30000000032 in words is "thirty billion, thirty-two", and thus it is an aban number, an eban number, and an uban number.