3121300442 has 8 divisors (see below), whose sum is σ = 5042100756. Its totient is φ = 1440600192.

The previous prime is 3121300381. The next prime is 3121300471. The reversal of 3121300442 is 2440031213.

3121300442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2810166121 + 311134321 = 53011^2 + 17639^2 .

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

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, 60024983 + ... + 60025034.

Almost surely, 2^3121300442 is an apocalyptic number.

3121300442 is a deficient number, since it is larger than the sum of its proper divisors (1920800314).

3121300442 is a wasteful number, since it uses less digits than its factorization.

3121300442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120050032.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3121300442 is about 55868.5997855683. The cubic root of 3121300442 is about 1461.4317040477.

Adding to 3121300442 its reverse (2440031213), we get a palindrome (5561331655).

The spelling of 3121300442 in words is "three billion, one hundred twenty-one million, three hundred thousand, four hundred forty-two".