231022231012 has 12 divisors (see below), whose sum is σ = 418229901180. Its totient is φ = 111527973536.

The previous prime is 231022231003. The next prime is 231022231057. The reversal of 231022231012 is 210132220132.

It can be written as a sum of positive squares in 2 ways, for example, as 53483037696 + 177539193316 = 231264^2 + 421354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995785363 + ... + 995785594.

It is an arithmetic number, because the mean of its divisors is an integer number (34852491765).

Almost surely, 2^231022231012 is an apocalyptic number.

It is an amenable number.

231022231012 is a deficient number, since it is larger than the sum of its proper divisors (187207670168).

231022231012 is a wasteful number, since it uses less digits than its factorization.

231022231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991570990 (or 1991570988 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231022231012 its reverse (210132220132), we get a palindrome (441154451144).

The spelling of 231022231012 in words is "two hundred thirty-one billion, twenty-two million, two hundred thirty-one thousand, twelve".