3131022 has 16 divisors (see below), whose sum is σ = 6279552. Its totient is φ = 1040760.

The previous prime is 3131021. The next prime is 3131027. The reversal of 3131022 is 2201313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3130989 and 3131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3373 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (392472).

Almost surely, 2^3131022 is an apocalyptic number.

3131022 is an abundant number, since it is smaller than the sum of its proper divisors (3148530).

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

3131022 is a wasteful number, since it uses less digits than its factorization.

3131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3131022 is about 1769.4694119990. The cubic root of 3131022 is about 146.2947383037.

Adding to 3131022 its reverse (2201313), we get a palindrome (5332335).

The spelling of 3131022 in words is "three million, one hundred thirty-one thousand, twenty-two".