311023222103212 has 12 divisors (see below), whose sum is σ = 544291839087640. Its totient is φ = 155511268078176.

The previous prime is 311023222103203. The next prime is 311023222103249. The reversal of 311023222103212 is 212301222320113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83697537 + ... + 87334552.

Almost surely, 2^{311023222103212} is an apocalyptic number.

It is an amenable number.

311023222103212 is a deficient number, since it is larger than the sum of its proper divisors (233268616984428).

311023222103212 is a wasteful number, since it uses less digits than its factorization.

311023222103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171486720 (or 171486718 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311023222103212 its reverse (212301222320113), we get a palindrome (523324444423325).

The spelling of 311023222103212 in words is "three hundred eleven trillion, twenty-three billion, two hundred twenty-two million, one hundred three thousand, two hundred twelve".