231040214 has 8 divisors (see below), whose sum is σ = 346769400. Its totient is φ = 115450416.

The previous prime is 231040213. The next prime is 231040223. The reversal of 231040214 is 412040132.

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 = 231040192 and 231040201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231040213) 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, 30599 + ... + 37394.

It is an arithmetic number, because the mean of its divisors is an integer number (43346175).

Almost surely, 2^231040214 is an apocalyptic number.

231040214 is a deficient number, since it is larger than the sum of its proper divisors (115729186).

231040214 is a wasteful number, since it uses less digits than its factorization.

231040214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69694.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231040214 is about 15200.0070394721. The cubic root of 231040214 is about 613.6148472043.

Adding to 231040214 its reverse (412040132), we get a palindrome (643080346).

It can be divided in two parts, 2310 and 40214, that added together give a palindrome (42524).

The spelling of 231040214 in words is "two hundred thirty-one million, forty thousand, two hundred fourteen".