231214004 has 12 divisors (see below), whose sum is σ = 462428064. Its totient is φ = 99091704.

The previous prime is 231214003. The next prime is 231214007. The reversal of 231214004 is 400412132.

231214004 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231214003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128794 + ... + 4128849.

It is an arithmetic number, because the mean of its divisors is an integer number (38535672).

Almost surely, 2^231214004 is an apocalyptic number.

It is an amenable number.

231214004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231214004 is a wasteful number, since it uses less digits than its factorization.

231214004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257654 (or 8257652 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231214004 is about 15205.7227384955. The cubic root of 231214004 is about 613.7686637126.

Adding to 231214004 its reverse (400412132), we get a palindrome (631626136).

The spelling of 231214004 in words is "two hundred thirty-one million, two hundred fourteen thousand, four".