30880691320 has 16 divisors (see below), whose sum is σ = 69481555560. Its totient is φ = 12352276512.

The previous prime is 30880691299. The next prime is 30880691327. The reversal of 30880691320 is 2319608803.

It is a super-2 number, since 2×30880691320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 772017283 = 30880691320 / (3 + 0 + 8 + 8 + 0 + 6 + 9 + 1 + 3 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30880691327) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 386008602 + ... + 386008681.

Almost surely, 2^30880691320 is an apocalyptic number.

It is an amenable number.

30880691320 is an abundant number, since it is smaller than the sum of its proper divisors (38600864240).

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

30880691320 is a wasteful number, since it uses less digits than its factorization.

30880691320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772017294 (or 772017290 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 30880691320 in words is "thirty billion, eight hundred eighty million, six hundred ninety-one thousand, three hundred twenty".