3131244122 has 4 divisors (see below), whose sum is σ = 4696866186. Its totient is φ = 1565622060.

The previous prime is 3131244119. The next prime is 3131244163. The reversal of 3131244122 is 2214421313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2434336921 + 696907201 = 49339^2 + 26399^2 .

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 as a sum of consecutive naturals, namely, 782811029 + ... + 782811032.

Almost surely, 2^3131244122 is an apocalyptic number.

3131244122 is a deficient number, since it is larger than the sum of its proper divisors (1565622064).

3131244122 is a wasteful number, since it uses less digits than its factorization.

3131244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565622063.

The product of its digits is 1152, while the sum is 23.

The square root of 3131244122 is about 55957.5206920392. The cubic root of 3131244122 is about 1462.9819771847.

Adding to 3131244122 its reverse (2214421313), we get a palindrome (5345665435).

The spelling of 3131244122 in words is "three billion, one hundred thirty-one million, two hundred forty-four thousand, one hundred twenty-two".