231380214 has 32 divisors (see below), whose sum is σ = 524590080. Its totient is φ = 67446432.

The previous prime is 231380213. The next prime is 231380221. The reversal of 231380214 is 412083132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231380213) 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, 76582 + ... + 79545.

It is an arithmetic number, because the mean of its divisors is an integer number (16393440).

Almost surely, 2^231380214 is an apocalyptic number.

231380214 is an abundant number, since it is smaller than the sum of its proper divisors (293209866).

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

231380214 is a wasteful number, since it uses less digits than its factorization.

231380214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156164.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 231380214 is about 15211.1871331596. The cubic root of 231380214 is about 613.9156992914.

The spelling of 231380214 in words is "two hundred thirty-one million, three hundred eighty thousand, two hundred fourteen".