3121130442 has 8 divisors (see below), whose sum is σ = 6242260896. Its totient is φ = 1040376812.

The previous prime is 3121130347. The next prime is 3121130459. The reversal of 3121130442 is 2440311213.

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

3121130442 is an admirable 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, 260094198 + ... + 260094209.

It is an arithmetic number, because the mean of its divisors is an integer number (780282612).

Almost surely, 2^3121130442 is an apocalyptic number.

3121130442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121130442 is a wasteful number, since it uses less digits than its factorization.

3121130442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520188412.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3121130442 is about 55867.0783377832. The cubic root of 3121130442 is about 1461.4051715276.

Adding to 3121130442 its reverse (2440311213), we get a palindrome (5561441655).

The spelling of 3121130442 in words is "three billion, one hundred twenty-one million, one hundred thirty thousand, four hundred forty-two".