313113222 has 32 divisors (see below), whose sum is σ = 697557600. Its totient is φ = 104108544.

The previous prime is 313113221. The next prime is 313113247. The reversal of 313113222 is 222311313.

313113222 is a `hidden beast` number, since 31 + 311 + 322 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 313113195 and 313113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313113221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14998 + ... + 29174.

It is an arithmetic number, because the mean of its divisors is an integer number (21798675).

Almost surely, 2^313113222 is an apocalyptic number.

313113222 is an abundant number, since it is smaller than the sum of its proper divisors (384444378).

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

313113222 is a wasteful number, since it uses less digits than its factorization.

313113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597 (or 14591 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 313113222 is about 17695.0055665433. The cubic root of 313113222 is about 679.0479916163.

Adding to 313113222 its reverse (222311313), we get a palindrome (535424535).

The spelling of 313113222 in words is "three hundred thirteen million, one hundred thirteen thousand, two hundred twenty-two".