311231002232222 has 8 divisors (see below), whose sum is σ = 466920617751000. Its totient is φ = 155590796315224.

The previous prime is 311231002232201. The next prime is 311231002232231. The reversal of 311231002232222 is 222232200132113.

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 = 311231002232191 and 311231002232200.

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, 12352384697 + ... + 12352409892.

It is an arithmetic number, because the mean of its divisors is an integer number (58365077218875).

Almost surely, 2^{311231002232222} is an apocalyptic number.

311231002232222 is a deficient number, since it is larger than the sum of its proper divisors (155689615518778).

311231002232222 is a wasteful number, since it uses less digits than its factorization.

311231002232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24704800890.

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

Adding to 311231002232222 its reverse (222232200132113), we get a palindrome (533463202364335).

The spelling of 311231002232222 in words is "three hundred eleven trillion, two hundred thirty-one billion, two million, two hundred thirty-two thousand, two hundred twenty-two".