3121144022 has 16 divisors (see below), whose sum is σ = 5142389760. Its totient is φ = 1414156392.

The previous prime is 3121143967. The next prime is 3121144067. The reversal of 3121144022 is 2204411213.

It is a junction number, because it is equal to n+sod(n) for n = 3121143985 and 3121144003.

It is a congruent number.

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, 1784678 + ... + 1786425.

It is an arithmetic number, because the mean of its divisors is an integer number (321399360).

Almost surely, 2^3121144022 is an apocalyptic number.

3121144022 is a deficient number, since it is larger than the sum of its proper divisors (2021245738).

3121144022 is a wasteful number, since it uses less digits than its factorization.

3121144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571147.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3121144022 is about 55867.1998761348. The cubic root of 3121144022 is about 1461.4072910431.

Adding to 3121144022 its reverse (2204411213), we get a palindrome (5325555235).

The spelling of 3121144022 in words is "three billion, one hundred twenty-one million, one hundred forty-four thousand, twenty-two".