3121324442 has 8 divisors (see below), whose sum is σ = 4770326196. Its totient is φ = 1531215712.

The previous prime is 3121324441. The next prime is 3121324469. The reversal of 3121324442 is 2444231213.

It can be written as a sum of positive squares in 2 ways, for example, as 3045825721 + 75498721 = 55189^2 + 8689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3121324442² = 19485332544453222728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121324441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14723123 + ... + 14723334.

Almost surely, 2^3121324442 is an apocalyptic number.

3121324442 is a deficient number, since it is larger than the sum of its proper divisors (1649001754).

3121324442 is a wasteful number, since it uses less digits than its factorization.

3121324442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29446512.

The product of its digits is 4608, while the sum is 26.

The square root of 3121324442 is about 55868.8145748592. The cubic root of 3121324442 is about 1461.4354497377.

Adding to 3121324442 its reverse (2444231213), we get a palindrome (5565555655).

It can be divided in two parts, 31213 and 24442, that added together give a palindrome (55655).

The spelling of 3121324442 in words is "three billion, one hundred twenty-one million, three hundred twenty-four thousand, four hundred forty-two".