3121201232 has 10 divisors (see below), whose sum is σ = 6047327418. Its totient is φ = 1560600608.

The previous prime is 3121201189. The next prime is 3121201313. The reversal of 3121201232 is 2321021213.

It can be written as a sum of positive squares in only one way, i.e., 3120786496 + 414736 = 55864^2 + 644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3121201232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97537523 + ... + 97537554.

Almost surely, 2^3121201232 is an apocalyptic number.

It is an amenable number.

3121201232 is a deficient number, since it is larger than the sum of its proper divisors (2926126186).

3121201232 is a wasteful number, since it uses less digits than its factorization.

3121201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195075085 (or 195075079 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3121201232 is about 55867.7118915747. The cubic root of 3121201232 is about 1461.4162200982.

Adding to 3121201232 its reverse (2321021213), we get a palindrome (5442222445).

The spelling of 3121201232 in words is "three billion, one hundred twenty-one million, two hundred one thousand, two hundred thirty-two".