231024808 has 24 divisors (see below), whose sum is σ = 503894250. Its totient is φ = 99010464.

The previous prime is 231024799. The next prime is 231024821. The reversal of 231024808 is 808420132.

It can be written as a sum of positive squares in only one way, i.e., 227346084 + 3678724 = 15078^2 + 1918^2 .

It is a super-2 number, since 2×231024808² = 106744923822873728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294283 + ... + 295066.

Almost surely, 2^231024808 is an apocalyptic number.

231024808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231024808 is an abundant number, since it is smaller than the sum of its proper divisors (272869442).

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

231024808 is a wasteful number, since it uses less digits than its factorization.

231024808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589369 (or 589358 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 231024808 is about 15199.5002549426. The cubic root of 231024808 is about 613.6012080773.

The spelling of 231024808 in words is "two hundred thirty-one million, twenty-four thousand, eight hundred eight".