231434214 has 64 divisors (see below), whose sum is σ = 517017600. Its totient is φ = 68476320.

The previous prime is 231434179. The next prime is 231434233. The reversal of 231434214 is 412434132.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879847 + ... + 880109.

It is an arithmetic number, because the mean of its divisors is an integer number (8078400).

Almost surely, 2^231434214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231434214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258508800).

231434214 is an abundant number, since it is smaller than the sum of its proper divisors (285583386).

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

231434214 is a wasteful number, since it uses less digits than its factorization.

231434214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its digits is 2304, while the sum is 24.

The square root of 231434214 is about 15212.9620389982. The cubic root of 231434214 is about 613.9634545547.

Adding to 231434214 its reverse (412434132), we get a palindrome (643868346).

The spelling of 231434214 in words is "two hundred thirty-one million, four hundred thirty-four thousand, two hundred fourteen".