313012011222 has 96 divisors (see below), whose sum is σ = 699292818432. Its totient is φ = 101137448832.

The previous prime is 313012011187. The next prime is 313012011227. The reversal of 313012011222 is 222110210313.

313012011222 is a `hidden beast` number, since 313 + 0 + 120 + 11 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 313012011195 and 313012011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313012011227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54123343 + ... + 54129125.

It is an arithmetic number, because the mean of its divisors is an integer number (7284300192).

Almost surely, 2^313012011222 is an apocalyptic number.

313012011222 is an abundant number, since it is smaller than the sum of its proper divisors (386280807210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313012011222 is a wasteful number, since it uses less digits than its factorization.

313012011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442 (or 6439 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 313012011222 its reverse (222110210313), we get a palindrome (535122221535).

The spelling of 313012011222 in words is "three hundred thirteen billion, twelve million, eleven thousand, two hundred twenty-two".