231359408 has 40 divisors (see below), whose sum is σ = 513562368. Its totient is φ = 98908992.

The previous prime is 231359399. The next prime is 231359423. The reversal of 231359408 is 804953132.

231359408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231359408² = 107054351340220928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47285 + ... + 51947.

Almost surely, 2^231359408 is an apocalyptic number.

231359408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231359408 is an abundant number, since it is smaller than the sum of its proper divisors (282202960).

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

231359408 is a wasteful number, since it uses less digits than its factorization.

231359408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5115 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 231359408 is about 15210.5032132405. The cubic root of 231359408 is about 613.8972973825.

The spelling of 231359408 in words is "two hundred thirty-one million, three hundred fifty-nine thousand, four hundred eight".