31232201222230 has 16 divisors (see below), whose sum is σ = 59524901153280. Its totient is φ = 11758005165952.

The previous prime is 31232201222227. The next prime is 31232201222237. The reversal of 31232201222230 is 3222210223213.

It is a junction number, because it is equal to n+sod(n) for n = 31232201222195 and 31232201222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232201222237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91859415190 + ... + 91859415529.

It is an arithmetic number, because the mean of its divisors is an integer number (3720306322080).

Almost surely, 2^{31232201222230} is an apocalyptic number.

31232201222230 is a deficient number, since it is larger than the sum of its proper divisors (28292699931050).

31232201222230 is a wasteful number, since it uses less digits than its factorization.

31232201222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183718830743.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31232201222230 its reverse (3222210223213), we get a palindrome (34454411445443).

The spelling of 31232201222230 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred one million, two hundred twenty-two thousand, two hundred thirty".