3131211122 has 16 divisors (see below), whose sum is σ = 5278029120. Its totient is φ = 1382340432.

The previous prime is 3131211103. The next prime is 3131211137. The reversal of 3131211122 is 2211121313.

It is a self number, because there is not a number n which added to its sum of digits gives 3131211122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617472 + ... + 2618667.

It is an arithmetic number, because the mean of its divisors is an integer number (329876820).

Almost surely, 2^3131211122 is an apocalyptic number.

3131211122 is a deficient number, since it is larger than the sum of its proper divisors (2146817998).

3131211122 is a wasteful number, since it uses less digits than its factorization.

3131211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236177.

The product of its digits is 72, while the sum is 17.

The square root of 3131211122 is about 55957.2258247315. The cubic root of 3131211122 is about 1462.9768377392.

Adding to 3131211122 its reverse (2211121313), we get a palindrome (5342332435).

The spelling of 3131211122 in words is "three billion, one hundred thirty-one million, two hundred eleven thousand, one hundred twenty-two".