313011231222 has 32 divisors (see below), whose sum is σ = 680762113632. Its totient is φ = 95545557504.

The previous prime is 313011231209. The next prime is 313011231233. The reversal of 313011231222 is 222132110313.

313011231222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×313011231222⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41465653 + ... + 41473200.

It is an arithmetic number, because the mean of its divisors is an integer number (21273816051).

Almost surely, 2^313011231222 is an apocalyptic number.

313011231222 is an abundant number, since it is smaller than the sum of its proper divisors (367750882410).

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

313011231222 is a wasteful number, since it uses less digits than its factorization.

313011231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82938912.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313011231222 its reverse (222132110313), we get a palindrome (535143341535).

The spelling of 313011231222 in words is "three hundred thirteen billion, eleven million, two hundred thirty-one thousand, two hundred twenty-two".