31232221130222 has 8 divisors (see below), whose sum is σ = 53540950508976. Its totient is φ = 13385237627232.

The previous prime is 31232221130219. The next prime is 31232221130263. The reversal of 31232221130222 is 22203112223213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31232221130191 and 31232221130200.

It is a congruent number.

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, 1115436468923 + ... + 1115436468950.

It is an arithmetic number, because the mean of its divisors is an integer number (6692618813622).

Almost surely, 2^{31232221130222} is an apocalyptic number.

31232221130222 is a deficient number, since it is larger than the sum of its proper divisors (22308729378754).

31232221130222 is a wasteful number, since it uses less digits than its factorization.

31232221130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230872937882.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31232221130222 its reverse (22203112223213), we get a palindrome (53435333353435).

The spelling of 31232221130222 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred twenty-one million, one hundred thirty thousand, two hundred twenty-two".