231321414 has 32 divisors (see below), whose sum is σ = 492726240. Its totient is φ = 72146432.

The previous prime is 231321407. The next prime is 231321443. The reversal of 231321414 is 414123132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11092 + ... + 24200.

It is an arithmetic number, because the mean of its divisors is an integer number (15397695).

Almost surely, 2^231321414 is an apocalyptic number.

231321414 is an abundant number, since it is smaller than the sum of its proper divisors (261404826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231321414 is a wasteful number, since it uses less digits than its factorization.

231321414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13304.

The product of its digits is 576, while the sum is 21.

The square root of 231321414 is about 15209.2542223477. The cubic root of 231321414 is about 613.8636906649.

Adding to 231321414 its reverse (414123132), we get a palindrome (645444546).

The spelling of 231321414 in words is "two hundred thirty-one million, three hundred twenty-one thousand, four hundred fourteen".