308203234 has 8 divisors (see below), whose sum is σ = 489499308. Its totient is φ = 145036800.

The previous prime is 308203211. The next prime is 308203249. The reversal of 308203234 is 432302803.

It can be written as a sum of positive squares in 2 ways, for example, as 277122609 + 31080625 = 16647^2 + 5575^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 308203199 and 308203208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4532367 + ... + 4532434.

Almost surely, 2^308203234 is an apocalyptic number.

308203234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

308203234 is a deficient number, since it is larger than the sum of its proper divisors (181296074).

308203234 is a wasteful number, since it uses less digits than its factorization.

308203234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064820.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 308203234 is about 17555.7179858871. The cubic root of 308203234 is about 675.4798482849.

The spelling of 308203234 in words is "three hundred eight million, two hundred three thousand, two hundred thirty-four".