3131301222 has 48 divisors (see below), whose sum is σ = 7756819200. Its totient is φ = 894297456.

The previous prime is 3131301209. The next prime is 3131301263. The reversal of 3131301222 is 2221031313.

3131301222 is a `hidden beast` number, since 313 + 130 + 1 + 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 = 3131301195 and 3131301204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 577279 + ... + 582677.

It is an arithmetic number, because the mean of its divisors is an integer number (161600400).

Almost surely, 2^3131301222 is an apocalyptic number.

3131301222 is an abundant number, since it is smaller than the sum of its proper divisors (4625517978).

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

3131301222 is a wasteful number, since it uses less digits than its factorization.

3131301222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017 (or 10014 counting only the distinct ones).

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

The square root of 3131301222 is about 55958.0308981651. The cubic root of 3131301222 is about 1462.9908698974.

Adding to 3131301222 its reverse (2221031313), we get a palindrome (5352332535).

The spelling of 3131301222 in words is "three billion, one hundred thirty-one million, three hundred one thousand, two hundred twenty-two".