3131101222 has 8 divisors (see below), whose sum is σ = 4696889616. Its totient is φ = 1565471352.

The previous prime is 3131101187. The next prime is 3131101231. The reversal of 3131101222 is 2221011313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3131101196 and 3131101205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53863 + ... + 95725.

It is an arithmetic number, because the mean of its divisors is an integer number (587111202).

Almost surely, 2^3131101222 is an apocalyptic number.

3131101222 is a deficient number, since it is larger than the sum of its proper divisors (1565788394).

3131101222 is a wasteful number, since it uses less digits than its factorization.

3131101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79262.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3131101222 is about 55956.2438160390. The cubic root of 3131101222 is about 1462.9597215682.

Adding to 3131101222 its reverse (2221011313), we get a palindrome (5352112535).

The spelling of 3131101222 in words is "three billion, one hundred thirty-one million, one hundred one thousand, two hundred twenty-two".