231021314 has 8 divisors (see below), whose sum is σ = 346843920. Its totient is φ = 115406676.

The previous prime is 231021283. The next prime is 231021317. The reversal of 231021314 is 413120132.

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 = 231021292 and 231021301.

It is not an unprimeable number, because it can be changed into a prime (231021317) 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, 49184 + ... + 53675.

It is an arithmetic number, because the mean of its divisors is an integer number (43355490).

Almost surely, 2^231021314 is an apocalyptic number.

231021314 is a deficient number, since it is larger than the sum of its proper divisors (115822606).

231021314 is a wasteful number, since it uses less digits than its factorization.

231021314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103984.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231021314 is about 15199.3853165186. The cubic root of 231021314 is about 613.5981147105.

Adding to 231021314 its reverse (413120132), we get a palindrome (644141446).

The spelling of 231021314 in words is "two hundred thirty-one million, twenty-one thousand, three hundred fourteen".