231134023312 has 10 divisors (see below), whose sum is σ = 447822170198. Its totient is φ = 115567011648.

The previous prime is 231134023261. The next prime is 231134023339. The reversal of 231134023312 is 213320431132.

It can be written as a sum of positive squares in only one way, i.e., 170284974336 + 60849048976 = 412656^2 + 246676^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7222938213 + ... + 7222938244.

Almost surely, 2^231134023312 is an apocalyptic number.

It is an amenable number.

231134023312 is a deficient number, since it is larger than the sum of its proper divisors (216688146886).

231134023312 is a wasteful number, since it uses less digits than its factorization.

231134023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445876465 (or 14445876459 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231134023312 its reverse (213320431132), we get a palindrome (444454454444).

The spelling of 231134023312 in words is "two hundred thirty-one billion, one hundred thirty-four million, twenty-three thousand, three hundred twelve".