311103103010222 has 4 divisors (see below), whose sum is σ = 466654654515336. Its totient is φ = 155551551505110.

The previous prime is 311103103010209. The next prime is 311103103010239. The reversal of 311103103010222 is 222010301301113.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 311103103010194 and 311103103010203.

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, 77775775752554 + ... + 77775775752557.

It is an arithmetic number, because the mean of its divisors is an integer number (116663663628834).

Almost surely, 2^{311103103010222} is an apocalyptic number.

311103103010222 is a deficient number, since it is larger than the sum of its proper divisors (155551551505114).

311103103010222 is a wasteful number, since it uses less digits than its factorization.

311103103010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155551551505113.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311103103010222 its reverse (222010301301113), we get a palindrome (533113404311335).

The spelling of 311103103010222 in words is "three hundred eleven trillion, one hundred three billion, one hundred three million, ten thousand, two hundred twenty-two".