30690835320 has 128 divisors (see below), whose sum is σ = 92524320000. Its totient is φ = 8144188416.

The previous prime is 30690835313. The next prime is 30690835321. The reversal of 30690835320 is 2353809603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30690835321) 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, 32753892 + ... + 32754828.

It is an arithmetic number, because the mean of its divisors is an integer number (722846250).

Almost surely, 2^30690835320 is an apocalyptic number.

30690835320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30690835320 is an abundant number, since it is smaller than the sum of its proper divisors (61833484680).

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

30690835320 is a wasteful number, since it uses less digits than its factorization.

30690835320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 30690835320 in words is "thirty billion, six hundred ninety million, eight hundred thirty-five thousand, three hundred twenty".