231121002232 has 8 divisors (see below), whose sum is σ = 433351879200. Its totient is φ = 115560501112.

The previous prime is 231121002209. The next prime is 231121002283. The reversal of 231121002232 is 232200121132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14445062632 + ... + 14445062647.

It is an arithmetic number, because the mean of its divisors is an integer number (54168984900).

Almost surely, 2^231121002232 is an apocalyptic number.

It is an amenable number.

231121002232 is a deficient number, since it is larger than the sum of its proper divisors (202230876968).

231121002232 is a wasteful number, since it uses less digits than its factorization.

231121002232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28890125285 (or 28890125281 counting only the distinct ones).

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

Adding to 231121002232 its reverse (232200121132), we get a palindrome (463321123364).

The spelling of 231121002232 in words is "two hundred thirty-one billion, one hundred twenty-one million, two thousand, two hundred thirty-two".