3121142224 has 20 divisors (see below), whose sum is σ = 6048457120. Its totient is φ = 1560250080.

The previous prime is 3121142201. The next prime is 3121142257. The reversal of 3121142224 is 4222411213.

It is a junction number, because it is equal to n+sod(n) for n = 3121142195 and 3121142204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73309 + ... + 107779.

It is an arithmetic number, because the mean of its divisors is an integer number (302422856).

Almost surely, 2^3121142224 is an apocalyptic number.

It is an amenable number.

3121142224 is a deficient number, since it is larger than the sum of its proper divisors (2927314896).

3121142224 is a wasteful number, since it uses less digits than its factorization.

3121142224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40138 (or 40132 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 3121142224 is about 55867.1837844007. The cubic root of 3121142224 is about 1461.4070104184.

Adding to 3121142224 its reverse (4222411213), we get a palindrome (7343553437).

The spelling of 3121142224 in words is "three billion, one hundred twenty-one million, one hundred forty-two thousand, two hundred twenty-four".