231426284 has 12 divisors (see below), whose sum is σ = 418060608. Its totient is φ = 111980400.

The previous prime is 231426281. The next prime is 231426311. The reversal of 231426284 is 482624132.

It is a self number, because there is not a number n which added to its sum of digits gives 231426284.

It is not an unprimeable number, because it can be changed into a prime (231426281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933047 + ... + 933294.

It is an arithmetic number, because the mean of its divisors is an integer number (34838384).

Almost surely, 2^231426284 is an apocalyptic number.

It is an amenable number.

231426284 is a deficient number, since it is larger than the sum of its proper divisors (186634324).

231426284 is a wasteful number, since it uses less digits than its factorization.

231426284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866376 (or 1866374 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 231426284 is about 15212.7014037613. The cubic root of 231426284 is about 613.9564420712.

The spelling of 231426284 in words is "two hundred thirty-one million, four hundred twenty-six thousand, two hundred eighty-four".