308231814 has 16 divisors (see below), whose sum is σ = 672505920. Its totient is φ = 93403560.

The previous prime is 308231773. The next prime is 308231821. The reversal of 308231814 is 418132803.

308231814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335024 + ... + 2335155.

It is an arithmetic number, because the mean of its divisors is an integer number (42031620).

Almost surely, 2^308231814 is an apocalyptic number.

308231814 is an abundant number, since it is smaller than the sum of its proper divisors (364274106).

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

308231814 is a wasteful number, since it uses less digits than its factorization.

308231814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670195.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 308231814 is about 17556.5319468282. The cubic root of 308231814 is about 675.5007269511.

Subtracting from 308231814 its product of nonzero digits (4608), we obtain a triangular number (308227206 = T₂₄₈₂₈).

The spelling of 308231814 in words is "three hundred eight million, two hundred thirty-one thousand, eight hundred fourteen".