231086426 has 8 divisors (see below), whose sum is σ = 348184704. Its totient is φ = 115024860.

The previous prime is 231086407. The next prime is 231086437. The reversal of 231086426 is 624680132.

231086426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 231086392 and 231086401.

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, 258620 + ... + 259511.

It is an arithmetic number, because the mean of its divisors is an integer number (43523088).

Almost surely, 2^231086426 is an apocalyptic number.

231086426 is a deficient number, since it is larger than the sum of its proper divisors (117098278).

231086426 is a wasteful number, since it uses less digits than its factorization.

231086426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518356.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 231086426 is about 15201.5270943415. The cubic root of 231086426 is about 613.6557556367.

The spelling of 231086426 in words is "two hundred thirty-one million, eighty-six thousand, four hundred twenty-six".