30310000000 has 256 divisors, whose sum is σ = 86460716160. Its totient is φ = 10368000000.

The previous prime is 30309999997. The next prime is 30310000033. The reversal of 30310000000 is 1303.

It is a happy number.

It is a super-2 number, since 2×30310000000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69999784 + ... + 70000216.

Almost surely, 2^30310000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30310000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43230358080).

30310000000 is an abundant number, since it is smaller than the sum of its proper divisors (56150716160).

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

30310000000 is an frugal number, since it uses more digits than its factorization.

30310000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 7.

Adding to 30310000000 its reverse (1303), we get a palindrome (30310001303).

The spelling of 30310000000 in words is "thirty billion, three hundred ten million", and thus it is an aban number.