30899255 has 8 divisors (see below), whose sum is σ = 38081472. Its totient is φ = 24051168.

The previous prime is 30899249. The next prime is 30899269. The reversal of 30899255 is 55299803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30899255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83327 + ... + 83696.

It is an arithmetic number, because the mean of its divisors is an integer number (4760184).

Almost surely, 2^30899255 is an apocalyptic number.

30899255 is a deficient number, since it is larger than the sum of its proper divisors (7182217).

30899255 is a wasteful number, since it uses less digits than its factorization.

30899255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167065.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 30899255 is about 5558.7098323262. The cubic root of 30899255 is about 313.7973965846.

The spelling of 30899255 in words is "thirty million, eight hundred ninety-nine thousand, two hundred fifty-five".