3121223030 has 16 divisors (see below), whose sum is σ = 5661090864. Its totient is φ = 1238958240.

The previous prime is 3121223009. The next prime is 3121223033. The reversal of 3121223030 is 303221213.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121223033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189997 + ... + 1192616.

It is an arithmetic number, because the mean of its divisors is an integer number (353818179).

Almost surely, 2^3121223030 is an apocalyptic number.

3121223030 is a deficient number, since it is larger than the sum of its proper divisors (2539867834).

3121223030 is a wasteful number, since it uses less digits than its factorization.

3121223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382751.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3121223030 is about 55867.9069770830. The cubic root of 3121223030 is about 1461.4196221940.

Adding to 3121223030 its reverse (303221213), we get a palindrome (3424444243).

The spelling of 3121223030 in words is "three billion, one hundred twenty-one million, two hundred twenty-three thousand, thirty".