3121350442 has 16 divisors (see below), whose sum is σ = 5351617152. Its totient is φ = 1337538960.

The previous prime is 3121350439. The next prime is 3121350461. The reversal of 3121350442 is 2440531213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162592 + ... + 180772.

It is an arithmetic number, because the mean of its divisors is an integer number (334476072).

Almost surely, 2^3121350442 is an apocalyptic number.

3121350442 is a deficient number, since it is larger than the sum of its proper divisors (2230266710).

3121350442 is a wasteful number, since it uses less digits than its factorization.

3121350442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30453.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3121350442 is about 55869.0472623259. The cubic root of 3121350442 is about 1461.4395075468.

Adding to 3121350442 its reverse (2440531213), we get a palindrome (5561881655).

The spelling of 3121350442 in words is "three billion, one hundred twenty-one million, three hundred fifty thousand, four hundred forty-two".