308034690912 has 192 divisors, whose sum is σ = 968248028160. Its totient is φ = 94711030272.

The previous prime is 308034690893. The next prime is 308034690919. The reversal of 308034690912 is 219096430803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308034690919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16692763 + ... + 16711205.

It is an arithmetic number, because the mean of its divisors is an integer number (5042958480).

Almost surely, 2^308034690912 is an apocalyptic number.

308034690912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308034690912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484124014080).

308034690912 is an abundant number, since it is smaller than the sum of its proper divisors (660213337248).

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

308034690912 is a wasteful number, since it uses less digits than its factorization.

308034690912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19962 (or 19948 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 308034690912 in words is "three hundred eight billion, thirty-four million, six hundred ninety thousand, nine hundred twelve".