308130855 has 16 divisors (see below), whose sum is σ = 508913664. Its totient is φ = 159035040.

The previous prime is 308130853. The next prime is 308130871. The reversal of 308130855 is 558031803.

It is not a de Polignac number, because 308130855 - 2¹ = 308130853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308130853) 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, 330859 + ... + 331788.

It is an arithmetic number, because the mean of its divisors is an integer number (31807104).

Almost surely, 2^308130855 is an apocalyptic number.

308130855 is a deficient number, since it is larger than the sum of its proper divisors (200782809).

308130855 is a wasteful number, since it uses less digits than its factorization.

308130855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662686.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 308130855 is about 17553.6564567044. The cubic root of 308130855 is about 675.4269671789.

The spelling of 308130855 in words is "three hundred eight million, one hundred thirty thousand, eight hundred fifty-five".