231012214 has 8 divisors (see below), whose sum is σ = 346971240. Its totient is φ = 115355136.

The previous prime is 231012169. The next prime is 231012233. The reversal of 231012214 is 412210132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 73564 + ... + 76639.

It is an arithmetic number, because the mean of its divisors is an integer number (43371405).

Almost surely, 2^231012214 is an apocalyptic number.

231012214 is a deficient number, since it is larger than the sum of its proper divisors (115959026).

231012214 is a wasteful number, since it uses less digits than its factorization.

231012214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150974.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 231012214 is about 15199.0859593595. The cubic root of 231012214 is about 613.5900579991.

Adding to 231012214 its reverse (412210132), we get a palindrome (643222346).

The spelling of 231012214 in words is "two hundred thirty-one million, twelve thousand, two hundred fourteen".