30319864008 has 128 divisors (see below), whose sum is σ = 92037945600. Its totient is φ = 8137995264.

The previous prime is 30319863989. The next prime is 30319864009. The reversal of 30319864008 is 80046891303.

It is a happy number.

It is a super-2 number, since 2×30319864008² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (30319864009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96166 + ... + 264362.

It is an arithmetic number, because the mean of its divisors is an integer number (719046450).

Almost surely, 2^30319864008 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 30319864008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46018972800).

30319864008 is an abundant number, since it is smaller than the sum of its proper divisors (61718081592).

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

30319864008 is a wasteful number, since it uses less digits than its factorization.

30319864008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168279 (or 168275 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 30319864008 in words is "thirty billion, three hundred nineteen million, eight hundred sixty-four thousand, eight".