231214250 has 32 divisors (see below), whose sum is σ = 437166288. Its totient is φ = 91560000.

The previous prime is 231214241. The next prime is 231214259. The reversal of 231214250 is 52412132.

It is an interprime number because it is at equal distance from previous prime (231214241) and next prime (231214259).

It can be written as a sum of positive squares in 8 ways, for example, as 15976009 + 215238241 = 3997^2 + 14671^2 .

It is not an unprimeable number, because it can be changed into a prime (231214259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20672 + ... + 29828.

Almost surely, 2^231214250 is an apocalyptic number.

231214250 is a deficient number, since it is larger than the sum of its proper divisors (205952038).

231214250 is a wasteful number, since it uses less digits than its factorization.

231214250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275 (or 9265 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 231214250 is about 15205.7308275531. The cubic root of 231214250 is about 613.7688813855.

Adding to 231214250 its reverse (52412132), we get a palindrome (283626382).

The spelling of 231214250 in words is "two hundred thirty-one million, two hundred fourteen thousand, two hundred fifty".