231323120203304 has 8 divisors (see below), whose sum is σ = 433730850381210. Its totient is φ = 115661560101648.

The previous prime is 231323120203223. The next prime is 231323120203333. The reversal of 231323120203304 is 403302021323132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 221426244638404 + 9896875564900 = 14880398^2 + 3145930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14457695012699 + ... + 14457695012714.

Almost surely, 2^{231323120203304} is an apocalyptic number.

It is an amenable number.

231323120203304 is a deficient number, since it is larger than the sum of its proper divisors (202407730177906).

231323120203304 is a wasteful number, since it uses less digits than its factorization.

231323120203304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915390025419 (or 28915390025415 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231323120203304 its reverse (403302021323132), we get a palindrome (634625141526436).

The spelling of 231323120203304 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred three thousand, three hundred four".