30880255 has 16 divisors (see below), whose sum is σ = 42637824. Its totient is φ = 21031200.

The previous prime is 30880253. The next prime is 30880259. The reversal of 30880255 is 55208803.

It is not a de Polignac number, because 30880255 - 2¹ = 30880253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30880253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364 + ... + 8206.

It is an arithmetic number, because the mean of its divisors is an integer number (2664864).

Almost surely, 2^30880255 is an apocalyptic number.

30880255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30880255 is a deficient number, since it is larger than the sum of its proper divisors (11757569).

30880255 is a wasteful number, since it uses less digits than its factorization.

30880255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 30880255 is about 5557.0005398596. Note that the first 3 decimals coincide. The cubic root of 30880255 is about 313.7330652278.

The spelling of 30880255 in words is "thirty million, eight hundred eighty thousand, two hundred fifty-five".