231201304 has 16 divisors (see below), whose sum is σ = 433753920. Its totient is φ = 115533600.

The previous prime is 231201301. The next prime is 231201307. The reversal of 231201304 is 403102132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231201301) and next prime (231201307).

It is a super-3 number, since 3×231201304³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231201301) 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, 8202 + ... + 23014.

It is an arithmetic number, because the mean of its divisors is an integer number (27109620).

Almost surely, 2^231201304 is an apocalyptic number.

It is an amenable number.

231201304 is a deficient number, since it is larger than the sum of its proper divisors (202552616).

231201304 is a wasteful number, since it uses less digits than its factorization.

231201304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16770 (or 16766 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231201304 is about 15205.3051268299. The cubic root of 231201304 is about 613.7574259205.

Adding to 231201304 its reverse (403102132), we get a palindrome (634303436).

The spelling of 231201304 in words is "two hundred thirty-one million, two hundred one thousand, three hundred four".